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You cannot use identical quotes to explain how the sources have similar ideas and how they have differing ideas.

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1. You must complete ALL sections (this includes carefully reading those with important information) in this Padlet by Monday, 1 June, 5:00 PM. You can, of course, choose to turn in quality work earlier.
2. You only need to attempt the last activity (optional) if you wish to.
3.. For each Padlet post, please remember to enter your NAME as the title of the post-it!

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Step 1: Both Sources A and B are similar in saying that…

Step 2: Source A says that… (Explain the main idea of the source).

Step 3: This is seen in how Source A states that…  (Use relevant quotes from the source to support the main idea you identified).

Step 4: Similarly, Source B says that… (Explain the main idea of the source that is similar to Source A's).
Step 5: This is seen in how Source B states that…  (Use relevant quotes from the source to support the main idea you identified).

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Important: To explain 'why', use provenance - author, date, etc; audience, and/or CK DO NOT ASSESS THE CREDIBILITY/RELIABILITY OF THE SOURCES!)

Step 1: Both Sources A and B share similar views because…

Step 2:  For Source A…

Step 3: For Source B...

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Step 1: Both Sources A and B differ in their views regarding...

Step 2: Source A says that… (Explain the main idea of the source).

Step 3: This is seen in how Source A states that…  (Use relevant quotes from the source to support the main idea you identified).

Step 4: In contrast, Source B says that… (Explain the main idea of the source that differs from Source A's).
Step 5: This is seen in how Source B states that…  (Use relevant quotes from the source to support the main idea you identified).

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Important: To explain 'why', use provenance - author, date, etc; audience, and/or CK DO NOT ASSESS THE CREDIBILITY/RELIABILITY OF THE SOURCES!)

Step 1: Both Sources A and B differ in their views because…

Step 2:  For Source A…

Step 3: For Source B...

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As this is our first attempt at Part (b), I am providing a more straightforward approach where we group 2 sources vs 3 sources. As we will learn (especially for H2, where you have six sources), it is more complex than this and there is almost always at least one source that contains elements that support and challenge the hypothesis. You will then need to decide whether it leans more towards supporting or challenging the hypothesis.

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As this is our first attempt at Part (b), I am providing a more straightforward approach where we group 2 sources vs 3 sources. As we will learn (especially for H2, where you have six sources), it is more complex than this and there is almost always at least one source that contains elements that support and challenge the hypothesis. You will then need to decide whether it leans more towards supporting or challenging the hypothesis.

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As this is our first attempt at Part (b), I am providing a more straightforward approach where we group 2 sources vs 3 sources. As we will learn (especially for H2, where you have six sources), it is more complex than this and there is almost always at least one source that contains elements that support and challenge the hypothesis. You will then need to decide whether it leans more towards supporting or challenging the hypothesis.

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Use the sources to question how far a conclusion can be reached regarding the hypothesis (found in highest band of the rubrics).

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Both sources A and B differ in the view regarding who was the initiator of the military aggression. Source A says that it was the communists who made the first move of the military aggression. This can be seen from how Source A says that ' The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war.' In contrast, Source B says that USA was the one who started the military aggression. This can be seen from how Source B says that ' Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.'

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1. Please read through the rubrics.
2. Note that L3 and L4 require us to apply the 3 success criteria that we have been learning about.
- E.g., Success Criterion 1 and 2 may be used to explain why the sources share similar/differing views because of who wrote them and the historical context they were written within
- E.g., Success Criterion 3 may also be used, together with Success Criterion 2, to explain why the sources share similar/differing views e.g., contextual knowledge explains why Source A and Source B share similar views on an event because... / contextual knowledge explains why Source A and Source B share differing views because at that time there were indeed two contrasting phenomena that were taking place as seen in how...

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1. Please read through the rubrics.
2. Note that from L4 onwards requires us to apply the 3 success criteria that we have been learning about.
3. 'Treat sources as a set' is linked to Success Criterion 3, where we need to cross-reference sources (use another source to challenge or support a source's views).

This also means that you cannot analyse only one source in a paragraph. You must always pair sources e.g., 'Sources A and B support the hypothesis as they convey the idea that...'. You can group up to 3 sources as well e.g., 'In contrast, Sources C, D, E challenge the hypothesis and claim that...'
4. 'evaluate sources in context' requires us to apply Success Criteria 1 and 2 e.g., what was happening at that time that may have influenced Truman's political party to say that the USSR was behind North Korea's invasion of South Korea?
5. To successfully challenge and support the hypothesis (e.g., '... it was Soviet aggression that was primarily responsible for the outbreak of the Cold War.'), we need to apply Success Criterion 3 to determine how credible the perspective of one set of sources is (e.g., the set that largely supports the hypothesis) versus another set of sources (e.g., the set that largely challenges the hypothesis)

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Cross-reference Source C and Source D to support the hypothesis ('...domestic issues were the main factor that motivated the USA to become involved in the Korean War.')

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1. Provide evidence to argue that overall, Source C and Source D were more reliable and/or useful as evidence that supported the hypothesis. This makes it likelier that the hypothesis ('...domestic issues were the main factor that motivated the USA to become involved in the Korean War.') is valid.
2. Argue that despite some of McCarthy's claims (Source D) being false, there are valid ideas about how domestic issues motivated the US to get involved in the Korean War that are confirmed by Source C and contextual knowledge.

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Cross-reference Sources A, B and and E to challenge the hypothesis ('...domestic issues were the main factor that motivated the USA to become involved in the Korean War.')

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1. Provide evidence to argue that overall, Sources A, B and E were less reliable and/or useful as evidence that supported the hypothesis. This makes it likelier that the hypothesis ('...domestic issues were the main factor that motivated the USA to become involved in the Korean War.') is valid.

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You must avoid simply repeating what you had already written in your earlier paragraphs.

This paragraph should clearly evaluate one set of sources in relation to another.

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As this is our first attempt at Part (b), I am providing a more straightforward approach where we group 2 sources vs 3 sources. As we will learn (especially for H2, where you have six sources), it is more complex than this and there is almost always at least one source that contains elements that support and challenge the hypothesis. You will then need to decide whether it leans more towards supporting or challenging the hypothesis.

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Step 1: Identify the common idea between the sources  e.g., Sources X and Y support he hypothesis by highlighting how...

Step 2: Provide evidence from the first source to support the common idea identified e.g.,  This is seen in how Source X states that…  (Use relevant quotes from the source to support the main idea you identified).

Step 3: Step 2: Provide evidence from the second source to support the common idea identified e.g.,  Source X's view is reinforced by Source Y that states…  (Use relevant quotes from the source to support the main idea you identified).

Step 4: Reiterate how the common idea of the sources supports the hypothesis e.g., Thus, both sources support the hypothesis as they say that...

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Step 1: Assess the reliability/utility of the first source using Success Criteria 1 to 3 e.g., 'Source C offers a credible perspective on how domestic issues motivated the US to intervene in Korea. Source C was written by an academic at a time when... and thus, was likelier be able to present a reliable perspective on this issue because... Contextual knowledge also confirms Source C's view because it is true that...'

Step 2: Assess the reliability/utility of the second source using Success Criteria 1 to 3 e.g. 'Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War because [use CK to undermine the validity of McCarthy's claims about communist spies, etc]... However, despite the inaccuracy of McCarthy's claims about... Source C confirms that not all of McCarthy's claims were inaccurate as seen by how it says that... Also, contextual knowledge confirms McCarthy's claims about the rising threat of the USSR and communism as seen in how [insert CK - clue: choose either the USSR's first successful atomic test (August 1949) or the 'loss' of China (October 1949). '

Step 3: Reiterate whether you find this set of sources to be more or less reliable/useful as evidence regarding the hypothesis + link back to the validity of the hypothesis e.g., Thus, as 'support' sources, C and D are largely reliable and this makes it likelier that [link back to the hypothesis].'

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Step 1: Identify the common idea between the sources  e.g., Sources X, Y and Z challenge the hypothesis by highlighting how...

Step 2: Provide evidence from the first source to support the common idea identified e.g.,  This is seen in how Source X states that…  (Use relevant quotes from the source to support the main idea you identified).

Step 3: Step 2: Provide evidence from the second source to support the common idea identified e.g.,  Source X's view is reinforced by Source Y that states…  (Use relevant quotes from the source to support the main idea you identified).

Step 4: Provide evidence from the third source to support the common idea identified e.g.,  Source X'and Y's view are also reinforced by Source Z that states…  (Use relevant quotes from the source to support the main idea you identified).

Step 5: Reiterate how the common idea of the sources challenges the hypothesis e.g., Thus, the sources challenge the hypothesis as they say that...

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Step 1: Assess the reliability/utility of the first source using Success Criteria 1 to 3 e.g., 'Source A offers a less credible perspective that external factors motivated the US to intervene in Korea. Source A was speech by Truman that aimed to... and thus, he would be less likely to have been upfront about how... Contextual knowledge also undermines Source A's claims that it was mainly external factors because...[clue: use CK about the impact of the "loss" of China on Truman's administration]'

Step 2: Assess the reliability/utility of the second source using Success Criteria 1 to 3 e.g. 'Source B offers a less credible perspective on the issue of why the US got involved in the Korean War because [use authorship and purpose to undermine Source B]. Also, contextual knowledge [clue: use North Korea's invasion of South Korea, 25 June 1950] contradicts Source B's claim that... because it was actually...'

Step 3: Assess the reliability/utility of the third source using Success Criteria 1 to 3 e.g. 'Source E offers a less credible perspective on the issue of why the US got involved in the Korean War because [use authorship and purpose to undermine Source E; clue: political cartoons tend to caricature instead of seeking to provide a balanced analysis]. Also, contextual knowledge [clue: use China only becoming communist on 1 October 1949 to assess the cartoon's depiction of the vast extent of communist China's reach] undermines Source E's claim that... because it was unlikely that...

Step 4: Reiterate whether you find this set of sources to be more or less reliable/useful as evidence regarding the hypothesis + link back to the validity of the hypothesis e.g., Thus, as 'support' sources, A, B and E are largely unreliable and this makes it likelier that [link back to the hypothesis].'

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Step 1: Overall, were the 'challenge' or 'support' set of sources preferred?

Step 2: What were the key issues that undermined the relaibility/utility of the less preferred set of sources?

Step 3: What were the key strengths that enhanced the reliability /utility of the preferred set of sources?

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Sources C and D supports the hypothesis by highlighting how America's intervention in the Korean War was influenced by MaCarthyism as it stoked fears of the rising Communist threat forcing Truman to take stronger measures against Communism. This is seen in how source C states that ' McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years' and ' end of 1949, American morale had reached a new postwar low ' shows that McCarthyism heavily influenced American views on the threat of Communism and so this made them take a stronger stance against Communism to curb its spread. Source's C view is reinforced by Source D that states 'One thing to remember in discussing the Communists in our Government is that we are dealing with a sinister type of activity because it permits the enemy to shape and guide our policy' which shows that the threat of Communist agents in the American government affected national policy.

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sources c and d support the hypothesis by highlighting how communism was real and pervasive in america due to McCarthyism which resulted in heightened tensions and suspicions within the US. This was exaggerated by anti-communist right wingers such as senator joseph mccarthy which put a lot of pressure on the truman administration to eliminate communism. Tis is seen in how source C states "By the end of 1949, American morale had reached a new postwar low." and "McCarthy's accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red scare which swept the nation during the next few years." This shows that the USA was very paranoid towards communism and this would result in an aggressive change by the USA government to prevent the spread of communism domestically and internationally. Source c's view is reinforced by source D that states "The reason we find ourselves in a position of impotency is not because our only powerful potential enemy has sent men to invade our shores, but rather because of the traitorous actions of those who have been treated so well by this nation." and "I have in my hand 57 cases of individuals who would appear to be either card carrying members or certainly loyal to the communist party, but who nevertheless are still helping to shape our foreign policy." This would increase the fears of communism within the US and cause them to overestimate and exaggerate the pervasiveness of communism in the country, even believing that it has infiltrated the government. Thus, both sources support the hypothesis as they say that domestic issues were the main factor that motivated the USA to become involved in the korean war as mccarthyism pressured the truman administration against communism which then motivated them to intervene in the war.

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Source A offers a less credible perspective that external factors motivated the US to intervene in Korea. Source A was a speech by Truman that aimed to justify the need for US to intervene in the Korean War to the Congress and thus, he would be less likely to have been upfront about the challenge Republicans posed to Truman, who was a Democrat, has pressured him to respond to their criticism by intervening in Korea to show his administration was not ‘soft’ on communism, the domestic pressures being the main motivation for US to intervene in the Korean War. Contextual knowledge also undermines Source A's claims that it was mainly external factors because US anti-communist senators and congressmen used the ‘loss’ of China to accuse the Truman administration of having done nothing to save Chiang Kai Shek’s China, putting pressure on the Truman administration to take a tougher stance towards containing communism, which they tried to show by intervening in the Korean War to contain the spread of communism in Korea. Source B offers a less credible perspective on the issue of why the US got involved in the Korean War because Source B is by a writer based in North Korea and thus would have the aim to portray US negatively to protect North Korea’s reputation in the Korean War. Since Source B highlights how the external factor, growth of communism, was the main reason that that motivated the USA to become involved in the Korean War, and Source B ultimately presents a view that is inaccurate is biased and thus unreliable, this makes Source B less credible that external factors were the main reason that that motivated the USA to become involved in the Korean War. Also, contextual knowledge North Korea's invasion of South Korea was 25 June 1950 and US only intervened in the Korean War on 27 June 1950, contradicting Source B's claim that it was US who initiated the Korean War on June 25th and attacked North Korea, that North Korea was only defending themselves because it was actually North Korea that attacked others (namely South Korea) and it was only later that US intervened. Source E offers a less credible perspective on the issue of why the US got involved in the Korean War because Source C is a political cartoon from a New Zealand newspaper. Political cartoons tend to caricature instead of seeking to provide a balanced analysis. Moreover, New Zealand was in SEATO alongside US. [<- Valid CK] Therefore, New Zealand is more likely to stand by US and portray the communists unfavourably, portraying the communists (China) to be trying to take over countries in Asia such as Malaya. Since Source E highlights how the external factor, the spread of communism, was the main reason that that motivated the USA to become involved in the Korean War, and Source E is biased  [Avoid using this word.] and thus less unreliable, this makes Source E less credible that external factors were the main reason that that motivated the USA to become involved in the Korean War. Also, contextual knowledge shows that China only became communist on 1 October 1949. Therefore, the communists China would not have much resources such as economic and military aid to influence other countries on a global scale. However, Source E shows that the extent of communist China's reach is vast and reaches countries in Asia. There, the contextual knowledge undermines Source E's claim that the spread of communism to countries in Asia, an external factor, is what motivated US to intervene in the Korean War because it was unlikely that communists China would have been successful in influencing countries in Asia. Thus, as 'support' sources, A, B and E are largely unreliable and this makes it likelier that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

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Both Sources A and B are similar in saying that military aggression contributed to the start of the Korean War. Source A says that communist military aggression started the Korean War. This is seen in how Source A states that "In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area." Similarly, Source B says that American military aggression initiated the Korean War. This is seen in how Source B states that "The American invaders who had been preparing the war for a long time, alongside their puppets, finally initiated the war on June 25th."

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Both Sources A and B share similar views because contextual knowledge informs us that following the invasion of South Korea by the North on 25 June 1950, that America intervened in the Korean War on 27 June 1950. For Source A, contextual knowledge corroborates that North Korea used military aggression and invaded South Korea to try and reunite the two Koreas under communism. For Source B, contextual knowledge corroborates that UN forces, under the command of the US military, entered the Korean War and made the Inchon Landing which pushed North Koreans back past the 38th parallel.

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Both Sources A and B differ in their views regarding who the primary instigator of military aggression in the Korean War was. Source A says that North Korea initiated the war by invading South Korea so American military aggression was necessary to keep them under control.This is seen in how Source A states that "The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war." In contrast, Source B says that America is the one that initiated the Korean War by launching a surprise attack on the North so North Korean military aggression was necessary as a form of defence. This is seen in how Source B states that "The American invaders who had been preparing the war for a long time, alongside their puppets, finally initiated the war on June 25th."

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Both Sources A and B differ in their views because they were written by different authors. For Source A, the excerpt was from a statement by President Truman in 27 June 1950. He was staunchly against communism because of the communist aggression in Europe, where the USSR was trying to spread its influence using salami tactics from 1945 to take over Eastern European countries such as Poland and Hungary. His prior experience with and prevailing worldview about communism would influence him to put the blame on North Korea, a communist state, for initiating military aggression in the Korean War. For Source B, the excerpts was from a North Korean textbook in 1999. The author of the source would did  likely not want to paint North Korea as aggressors as it would cause people to view the government in a bad light, for using ruthlessness and underhanded means like an invasion in attempting to unite the two Koreas, and ultimately failing. Painting North Korea's government in a more positive light would have helped garner greater support for the incumbent government.

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Sources C and D support the hypothesis by highlighting how Mccarthyism pushed for America to take a stronger stand against communism, which led to them joining the Korean War. This is seen in how Source C states that "McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation." Source C's view is reinforced by Source D that states "The reason we find ourselves in a position of impotency is not because our only powerful potential enemy has sent men to invade our shores, but rather because of the traitorous actions of those who have been treated so well by this Nation." Thus, both sources support the hypothesis as they say that accusations were being made by McCarthy that communist influence was taking over America, which resulted in politicians having a more hardened approach in handling communist threat and people supporting this, hence leading to American intervention in the Korean War.

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Source C offers a credible perspective on how domestic issues motivated the US to intervene in Korea. Source C was written by an academic at a time when the Korean War was long over and thus, is likelier to be able to present a factual recount of what happened than a source written by an actor directly involved in the Korean War such as Stalin or Truman. Contextual knowledge also confirms Source C's view because it is true that a Red Scare swept the nation from the late 1940s into the 1950s after McCarthy started making baseless accusations that the USSR had planted spies in the US government, and that soviet spies were behind the USSR's successful atomic bomb testing. Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War because the claims that McCarthy made in his speech about how there were traitors who supported communism in the country and in the government is unconfirmed. Contextual knowledge that he was a republican while Truman was a democrat shows that he could have been trying to challenge and pressure Truman's administration to intervene in the Korean War, thus highlighting how domestic political pressure led Truman to taking a stronger stance against communism and eventually involving America in the Korean War. However, despite the inaccuracy of McCarthy's claims about the Soviet Union sending people to infiltrate the American government, Source D confirms that not all of McCarthy's claims were inaccurate as seen by how it says that communist influence had grown substantially. Also, contextual knowledge confirms McCarthy's claims about the rising threat of the USSR and communism as seen in how the USSR sphere of influence had grown in size. Thus, as 'support' sources, C and D are largely reliable and this makes it likelier that it was true that domestic factors were indeed the main motivation for the USA to become involved in the Korean War.

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Sources A, B and E support the hypothesis by highlighting how growing communist threat outside of the US was the main factor for US involvement in the Korean War. Source A's view is reinforced by "In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area." Source B that states "Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy." Source A and B's view are also reinforced by Source E that depicts communist China as an octopus, taking over  several countries in Asia such as Tibet, Malaya and Korea by spreading its communist influence. Thus, the sources challenge the hypothesis as they say that the main motivating factor that made America intervene in the Korean War was the threat of growing communist influence around the world.

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Source A offers a less credible perspective that external factors motivated the US to intervene in Korea. Source A was speech by Truman that aimed to justify to the general public the reason why America needed to involve itself in the Korean War and thus, he would be less likely to have been upfront about how the situation in America was forcing him to take a hardline approach against communism. Contextual knowledge also undermines Source A's claims that it was mainly external factors because it was evident that Mccarthyism had influenced Americans to strongly oppose the idea of communism which was an influential factor in their ultimate decision to involve themselves in the Korean War. Source B offers a less credible perspective on the issue of why the US got involved in the Korean War because it comes from a North Korean textbook and the author did not want to paint North Korea in a bad light by saying that it initiated the Korean War. Also, contextual knowledge that North Korea launched an invasion on South Korea on 25 June 1950 contradicts Source B's claim that American invaders had initiated the war on that date because it was actually North Korea that started it. This ultimately makes it less credible as evidence that can be used reliably to assess the hypothesis. Source E offers a less credible perspective on the issue of why the US got involved in the Korean War because  the war was not over by the time this cartoon was printed in November 1950 and New Zealand being on the side of the US was likely to paint the communists in a bad light. Political cartoons also tend to caricature instead of providing a balanced perspective. Also, contextual knowledge that China only became communist on 1 October 1949 undermines Source E's claim that communist China had such far reaching influence because it was unlikely that they could have become so powerful and spread their communist influence so far in the short span of slightly over a year. Thus, as 'support' sources, A, B and E are largely unreliable and this makes it likelier that domestic factors were the main motivation behind US involvement in the Korean War.

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both sources A and B are similar in saying that countries had to react against the invasion. Source A says that the united states and the united nations needed to defend south korea against the communist. The evidence from source A is "I know that all members of the United nations will consider carefully the consequences of this latest aggression in Korea in defiance of the Charter of the United nations. A return to the rule of force in international affairs would have far reaching effects. The united states will continue to uphold the rule of law." Similarly, source B says that North korea had to defend themselves from the americans and their allies. The evidence from source B is "Having passed the 38th parallel, the enemies crawled deeper and deeper into the North half of the Republic, the invading forces of the enemies had to be eliminated and the threatened fate of our country and our people had to be saved."

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Both sources A and B are similar in saying that military aggression in the Korean war was used by both the USA and North Korea to exert it's influence on each other. Source A says that communists forces has used military forces as the aggressor to take over Korea and spread it's influence. This is seen in how source A states that "The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war." Similarly source B states that America used military aggression to spread their influence in order to limit the growth of communism in North Korea. This is seen in how source B states that "Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy."

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Both sources A and B share similar views because contextual knowledge informs us that following the Chinese Communist Party's victory in October 1949, the communist had indeed used military aggression to further to further spread their influence in Korea. [CK needs to be specific for Source A e.g., the exact date of North Korea’s invasion of South Korea; months and years of Kim’s requests to Stalin to invade South Korea] For source A contextual knowledge corroborates how it was indeed the communist forces in North Korea that used military aggression to spread their influence into the South. [CK needs to be specific for Source B e.g., the exact date of Truman committing US air and sea forces to assist the UN in intervening in Korea, UN Command being led by the US] For source B it also corroborates how America wanted to use military aggression in order to contain the spread of communism in Asia.

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Both sources A and B differ in their view regarding who was the primary instigator role in using military aggression in the Korean war. Source A says that it was the communist forces in North Korea who had being using military aggression during the war. This is seen in how source A states that "The attack upon Korea makes..." In contrast source B says that it was the Americans along with their South Korean allies who had used military aggression in the war. This is seen in how source B states that "The American invaders who had been..."

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Both sources A and B differ in their views because both sources were produced during different times and were written by different authors. For source A it was written in 1950, the year the Korean War broke out. The author of the source was also written by President Truman and one of his aims was to convince Congress on the importance of sending economic and military aid to Korea. During that time the tensions between USA and USSR were escalating following the success of the Marshall plan and the humiliation of the Berlin blockade to the USSR in Europe, making source A more critical of the communist involvement in the Korean role making them take the role of the aggressors. For source B it was written in 1999, after the Korean war ended and the collapse of the Soviet Union. Source B was written in a North Korean textbook and since it was used to educate the north Koreans on what happened during the Korean war in the past, it would aim to protect their own image by making the American's seem like the aggressor to justify their actions during the war. It was also written at a much later date where it could have more access to information about the Korean war source A didn't have access to following the collapse of the Soviet Union making their source differ as they had more accuracy on their information provided. [What Source B says about the US initiating the invasion is a glaring inaccuracy, so it would not make sense to say that it gave a differing view because it had more access to information than Source A did.]

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Sources C and D support the hypothesis by highlighting how America was involved in the Korean war because of domestic factors as they believed to have communist spies working within their government. This is seen in how source C states that "Others, refusing to believe that America could..." Source C views is reinforced by source D that states "The reason we find ourselves in a ..." Thus, both sources support the hypothesis as they say that America had a problem with Communist spies working within their government which would affect their foreign policy plans against the communist forcing them to enter the war.

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Source C offers a credible perspective on how domestic issues motivated the US to intervene in Korea. [Source C is likelier than... [insert a type of source that is likelier to provide a one-sided view] to provide a factual recount of what happened because… and thus…] Source C was written by an academic at a time when the Korean war had ended along with the collapse of the Soviet Union leading to more access to their archives and thus, was likelier be able to present a reliable perspective on this issue because they had more information on the topic compared to a one sided view.   [CK for Source C needs to be more specific e.g., accusations of lack of support for KMT, Soviet spies behind the USSR's ability to test its first atomic bomb] Contextual knowledge also confirms Source C's view because it is true that American morale was very low in the 1950s due to the fall of China and USSR's ability to make nuclear weapons meaning that they had lost their nuclear monoply. Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War because using my contextual knowledge McCarthy had never actually managed to find any of the 57 suspects guilty of being spies working for the USSR. However, despite the inaccuracy of McCarthy claims about the suspects being suspected of being communist spies. Source D confirms that not all of McCarthy's claims were inaccurate as seen by how it says that communist influence had been rapidly increasing in recent years and that the number of people under their influence had massively increased.  Also, contextual knowledge confirms McCarthy's claims about the rising threat of the USSR and communism as seen in how the USSR's had recently conducted its first successful atomic test in August 1949 causing the US to lose its nuclear monoply. Thus, as 'support' sources, C and D are largely reliable and this makes it likelier that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

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Sources A, B and E challenge the hypothesis by highlighting how it was external factors that caused the US to be involved in the Korean war as they had to stop the communist threat from threatening conquering other countries. This is seen in how source A states that "In these circumstances the occupation of Taiwan..." Source A's view is reinforced by source B which states that "Upset by the fast and astonishing growth..." Source A and B's views are also reinforced by source E which illustrates a octopus which represents the USSR reaching out it's tentacles representing it's sphere of influence into other countries such as tibet and Malaya. Thus, the sources challenges the hypothesis as it states that the US was involved in the Korean war as they were interfering in the communist expansion of influence by conquering other countries.

# data[].attributes.body
Source A offers a less credible perspective that external factors motivated the US to intervene in Korea. Source A was speech by Truman that aimed to convince congress to allow economic and military funding to be sent to Korea and thus, he would be less likely to have been upfront [Incorrect; this is not what Truman was unlikely to have been upfront about.] about how the communist were involved in the Korean war. Contextual knowledge also undermines Source A's claims that it was mainly external factors because using my contextual knowledge i can say that the loss of China had led to the public criticising Truman's administration failing due to their  perceived inaction so they wanted to pursue a more active foreign policy to dispel criticism [from whom?] about their administration. Source B offers a less credible perspective on the issue of why the US got involved in the Korean War because it was written in a North Korean textbook which meant that it was written to convince it's citizens that the US was their enemy and that their country was in the war as defenders of their homeland to gain the support of the people for the government Also, contextual knowledge tells me that the claims of the US invading North Korea was false, source A contradicts Source B's claim that it was the US who had invaded the North Korean because it was actually the North Koreans who had invaded the South.  Source E offers a less credible perspective on the issue of why the US got involved in the Korean War because it was written by a New Zealand author writing a political cartoons and they tend to caricature instead of seeking to provide a balanced analysis. Also, contextual knowledge tells me that China only became communist on 1 October 1949 which undermines [To reduce the reliability/utility of Source E, you should focus on whether a New Zealand newspaper is likely to be able to provide a more or less valid perspective on what truly motivated the US to intervene in the Korean War. Also, how would you use China becoming a communist country only on 1 October 1949 as CK to undermine Source E’s perspective?] Source E's claim that the communist influence had spread to many other countries which it had depicted in its cartoon because it was unlikely that communism would have spread to so many other countries in such a short amount of time after China just fell recently. Thus, as 'challenge' sources, A, B and E are largely unreliable and this makes it likelier that it was local factors that made the US involved in the Korean war.

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Both sources share similar views because [This CK is suitable for Source B, not Source A] contextual knowledge informs us that the the US and UN forces helped south korea militarily 2 days after the invasion (27june 1950) and successfully liberated seoul in september where they pushed further into north korea in october. For source A, contextual knowledge confirms how the US and UN quickly came to south korea's defence on 27 june 1950. For source B, contextual knowledge also confirms that in October, after successfully liberating seoul, the UN forces did indeed press on and pushed further into north korea and that they had to defend themselves and as a result, chinese forces crossed into north korea to provide support.

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both sources A and B differ in their views regarding who made the first move using military aggression in the korean war. Source A says that the communists, which are the USSR and north korea, invaded south korea and they started the war. The evidence is "The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use invasion and war." However, source B says that the americans and their allies first invaded north korea. The evidence from source B is "The American invaders who had been preparing the war for a long time, alongside their pupets, finally initiated the war on June 25th."

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both sources A and B differ in their views because both sources were produced at different times and had different authors. For source A, it was a statement by president truman on 27 june 1950 which was 2 days after north korea invaded south korea and its aim was to convince members in the UN security council that the communists' actions are unacceptable so that they will join forces to help defend south korea. [How did historical context e.g., prior instances of communist aggression in Europe, influence Source A's views?] On the other hand, source B is an excerpt from a North Korean textbook in 1999. This means that the korean war was long over and it was a form of propaganda to convince the North korean children that the US started the korean war so that they will detest the Americans.

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Both sources A and B are similar in saying that North Korea has become more aggressive in the Korean War. Source A says that the communists have used military force to invade South Korea and are posing as a threat to the non communists states. This is seen in how Source A states that ' The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war.' Similarly, Source B says that North Korea is becoming stronger and is being seen as a threat hence action from USA was taken. This is seen in how Source B says that ' Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.'

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Both sources A and B share similar views because contextual knowledge informs us that North Korea did invade South Korea later on in the Korean War, which proves that they have become more aggressive. For Source A, contextual knowledge corroborates that on June 25 1950, North Korean troops crossed the border into South Korea, with the intention of conquering South Korea in the span of 3 weeks. For Source B, contextual knowledge also corroborates that on 27 June, the Security Council supported an international military effort under US leadership to repel the North Korean aggression to contain communism.

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Sources A and B differ in their views because both sources were produces at different times and by different authors. For Source A, it was produced in 27 June 1950, 2 days after North Korea's invasion on 25 June. The author of this source is President Truman and his aim was to convince the United Nations that an action against the communists is needed to contain communism as they have become more aggressive. Especially since the North Koreans have crossed the border into South Korea, Source A would be more critical of the communists' involvement in the Korean War. [How did historical context e.g., prior instances of communist aggression in Europe, influence Source A's views?] For Source B, it was produced in 1999, which was after the Korean War, in a North Korean textbook. The author's aim of writing this source was to convince the North Koreans that the US was the aggressor. As North Korea is still a communist state, it is likelier that the author criticises the Americans in order for the North Koreans to continue supporting communism.

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Sources C and D support the hypothesis by highlighting how McCarthyism encourages USA to become involved in the Korean War [because it...], This is seen in how Source C says that ' Foremost among these was Joseph R. McCarthy who put himself forth as a public crusader against the internal Communist threat. McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years.' Source C's view can be reinforced by Source D, which says that '  The reason we find ourselves in a position of impotency is not because our only powerful potential enemy has sent men to invade our shores, but rather because of the traitorous actions of those who have been treated so well by this Nation.' Thus, both Sources C and D support the hypothesis as they both agree that McCarthyism, which is a domestic factor, plays a huge role in encouraging the USA to intervene in the Korean War.

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Source C offers a credible perspective on how domestic issues motivated the US to intervene in the Korean War. Source C was written by an academic at a time when the Korean War was over and thus, was likelier to be able to present a reliable perspective on this issue. [Source C is likelier than... [insert a type of source that is likelier to provide a one-sided view] to provide a factual recount of what happened because… and thus…] because there are no biased views and more information of the Korean War could be accessed. Contextual knowledge also confirms Source C's view because it is true that McCarthyism caused the second Red Scare, which lasted from the late 1940s, through the 1950s. Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War because Source D is by Joseph McCarthy himself, in 1950, when the Korean War is still ongoing. To signify the threat of communism, he may be lying to the American citizens. Furthermore, there is no proof that the soviet union had indeed sent spies to the USA to spread communism. However, despite the inaccuracy of McCarthy's claims about how the Soviet Union sent spies over to the US, Source D confirms that not all of McCarthy's claims were inaccurate as seen by how it says that communism is spreading at a very fast pace. Also, contextual knowledge confirms McCarthy's claims about the rising threat of the USSR and communism as seen in how China fell to communism in October 1949 [The first successful atomic test by USSR would be useful here.]. Thus, as 'support' sources, C and D are largely reliable and this makes it likelier that domestic factors are the main reasons why USA intervened in the Korean War.

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Sources A, B and E challenges he hypothesis by highlighting how external factors are the main motivation of the US intervening in the Korean War. This is seen in how Source A states that ' In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area.' Source A's view is reinforced by Source B that states ' Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.' Source A'and B's view are also reinforced by Source E that portrays states how Communist China as trying to spread its communist influence to other Asia countries [More source details needed for E e.g., the countries it is reaching out towards]. Thus, the sources challenge the hypothesis as they say that external factors were the main factor in motivating the USA to intervene in the Korean War.

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Source A offers a less credible perspective that external factors motivated the US to intervene in Korea. Source A was speech by Truman that aimed to criticise the communists' actions and convince the United Actions that action against the communists needs to be taken to contain it, and thus, he would be less likely to have been upfront [Incorrect; this is not what Truman was unlikely to have been upfront about.] about how the invasion of South Korean motivated the US intervention. Contextual knowledge also undermines Source A's claims that it was mainly external factors because. the 'loss' of China in US discourse enhanced the attitude within the administration that there was a compelling, if not active need to prevent progressive losses in Asia to communism and Soviet and Chinese influence. Source B offers a less credible perspective on the issue of why the US got involved in the Korean War because it was produced in 1999, which was after the Korean War, in a North Korean textbook. North Korea is still a communist state hence it is biased and is likely to paint USA in a negative light [in order to achieve its aims of...]. Also, contextual knowledge contradicts Source B's claims that America initiated the war when North Korea was the one who invaded South Korea on the 25th of June, 1950 first. Source E offers a less credible perspective on the issue of why the US got involved in the Korean War because it was produced in November 1950 by a New Zealand cartoonist. The Korean War did not end yet and since New Zealand is on the side of the US, it is a biased source as it is expected that they will paint the communists in a negative light. Also, contextual knowledge undermines Source E's claims that China had the ability and chance to influence so many Asia countries because it was unlikely that China could reach out to so many countries in such a short amount of time, given the fact that it became communist more recently in October 1949. Thus, as 'challenge' sources, A, B and E are largely unreliable and this makes it likelier that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

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source c offers a credible perspective on how domestic issues motivated the US to intervene in the korean war because it was written by an academic in 1999 and the korean war was already over which would also meant that more accounts and documents were accessible. This is more reliable as compared to sources produced during the korean war as it has a higher probability that it is one-sided and biased due to ongoing conflict and violence. Contextual knowledge also confirms source c views because it is true that the soviets  detonate an atomic bomb in august 1949 since they had spies in the manhattan project and the chinese communist party in china also did emerge victorious in the chinese civil war in feb 1950. Many americans believed that the truman administration 'lost' china to communism as they did not provide enough support for the kuomintang army led by chiang kai shek. It is also true that the Red scare did happen from late 1940s to the 1950s due to increasing fears of the spread of communism internally. Source d offers a less credible perspective on the issue of why the US got involved in the korean war because senator mccarthy produced the source and he was a republican which would probably suggest an extent of one-sidedness against truman since he was a democrat. He exaggerated the pervasiveness of communism within america to instill fear and panic in the americans since his claims on the number of cases were not confirmed, influencing them to not support the democrats but the republicans instead. However, despite the inaccuracy of Mccarthy claims about his cases being communist spies, source d confirms that not all his claims were inaccurate as communism was indeed spreading internationally and USSR was a threat. Contextual knowledge confirms that the soviets successfully detonated its first atomic bomb, which meant that the americans did not have the upper hand militarily. Thus, as 'support' sources, c and d are largely reliable and this makes it likelier that domestic issue was the main factor that motivated usa to be involved in the korean war.

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Both Sources A and B are similar in saying that the opposing party with different ideology was the one who used military aggression in the Korean War to spread their influence. Source A says that the communist countries, which had fundamental ideological differences from the USA that stood for democracy and liberty, used military force to increase their sphere of influence around the world and Korea, in particular. This is seen in how Source A says that, “The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war”. Similarly, Source B says that the USA, which had ideological differences from North Korea that stood for authoritarianism and communism through socialism, were the initiators of the Korean War as they used military force against North Korea in the first place due to their hopes in diminishing the communists’ increasing sphere of influence. This is seen in how Source B says that, “Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy” and “That dawn, the enemies unexpectedly attacked the North half of the Republic, and the war clouds hung over the once peaceful country, accompanied by the echoing roar of cannons”.

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Both Sources A and B differ in their views regarding which party initiated the Korean War using military aggression.

Source A says that the communist forces were the ones who started using military force to invade South Korea in order to spread communism.

This is seen in how Source A states that, “The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war”.

In contrast, Source B says that USA was the initiator of the Korean War by invading North Korea first through using military forces.

This is seen in how Source B states that, “The American imperialists furiously carried out the war project in 1950. The American invaders who had been preparing the war for a long time, alongside their puppets, finally initiated the war on June 25th”.

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Both Sources A and B share similar views because contextual knowledge informs us that both the communist parties and the USA did indeed use military force during the Korean War after Stalin agreed to Kim Il-Sung's request to invade South Korea in April 1950. after the Chinese Communist Party’s (CCP) victory in October 1949. For Source A, contextual knowledge corroborates how North Korea indeed invaded South Korea using military aggression in  25 June 1950, which was after the CCP’s victory. For Source B, contextual knowledge also corroborates how the USA indeed deployed military forces to intervene in the Korean War through the US-led UN mission on 27 June 1950.

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Sources C and D support the hypothesis by highlighting how there was communism threat present in the political system of the USA, which led to increased fears of the increasing influence of communism in a democratic country like theirs, together with McCarthyism. This led to the need for the USA and in order to stop the global spread of communism in order to dispel accusations that communists were running the US government. This is seen in how Source C states that, “McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years”. Source C’s view is reinforced by Source D that states, “I have in my hand 57 cases of individuals who would appear to be either card carrying members or certainly loyal to the Communist Party, but who nevertheless are still helping to shape our foreign policy”. Thus, both sources support the hypothesis as they say that the spread of communism had increased to the point it was a domestic matter, considering that some of the USA’s political members were influenced by communism and these domestic issues were the main factor that caused the USA to intervene in the Korean War. as they wanted to stop the spread of communism.

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Source C offers a credible perspective on how domestic issues motivated the US to intervene in Korea. Source C was written by an academic at a time when the Korean War was over, where more national archives were possibly released for reference so that the academic gets more information on the Korean War and thus, was likelier to be able to present a reliable perspective on this issue because more knowledge on the Korean War can be obtained from these national archives. Source C is likelier than Source B to provide a factual recount of what happened because Source C, which was written by an academic, would be able to present a more reliable perspective since the academic would probably have had access to more reliable resources when writing it and be more removed from the events and potentially be able to provide a less one-sided view than a source such as Source B is more likely to be one-sided as Source B's aim is most likely to influence the younger generations to think well of North Korea's actions in the Korean war by portraying the US in a disproportionately negative light and thus, Source C is more likely to present a balanced and credible view. and the information contained would less likely be biased. Contextual knowledge also confirms Source C’s view that it is true that the Red Scare did happen from the late 1940s to the 1950s in the USA, which heightened fears of the USA about the increasing influence of the communists and thus, leading to the USA's need in intervening the Korean War in order to debilitate domestic fears of communism compromising its national security. Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War because it originates from a political leader in the USA and the speech was from the period of the Korean War so it was likely to have a harsher stance and exaggeration towards how strong the spread of communism was, in order to justify the USA’s continued al intervention in the Korean War. However, despite the inaccuracy and exaggeration of McCarthy’s claims about the numbers of communists in the USA’s political system at that time, Source D confirms that not all of McCarthy’s claims were inaccurate as seen by how it says that the communist forces’ sphere of influence has rapidly increased over the years. Also, contextual knowledge confirms McCarthy’s claims about the rising threat of the USSR and communism in how the USSR had successfully tested their first atomic bomb in August 1949 as this meant that the USSR was catching up to the USA in terms of nuclear technology, which also signified the loss of USA’s nuclear monopoly. Thus, as ‘support sources’, C and D are largely reliable and this makes it likelier that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

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Sources A, B and E support the hypothesis by highlighting how external factors that were happening outside of the USA were the main reasons why the USA intervened in the Korean War. This is seen in how Source A states that, “In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area”. Source A’s view is reinforced by Source B that states, “Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy”. Source A’s and Source B’s views are also reinforced by Source E that portrays how communist countries, such as China, are extending their influence and communism to other countries in Asia that are outside of the USA, like Tibet, Indochina and so on. This is shown through the representation of China as an octopus, using its tentacles to attain control of the countries in Asia all at one go. Thus, the sources challenge the hypothesis as they say that external events happening outside of the USA, which signified the heightening threats of communism, motivated the USA to intervene the Korean War in order to stop communism from spreading in Asia.

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Source A offers a less
credible perspective that external factors motivated the US to intervene in Korea. Source A was a speech by Truman that aimed to justify the USA’s intervention in the Korean War so that the C ongress would provide them with financial and military funding and thus, he would be
less likely to have been upfront about how domestic issues in America were forcing him to adopt such a harsh stance against communism, such as the challenge that the Republicans posed to Truman, who was a Democrat, by pressurising him to respond to their criticism by intervening in the Korean War to show that his administration was not 'soft' on communism. Contextual knowledge also undermines Source A's claims that it was mainly external factors because
McCarthyism which happened from the late 1940s to the 1950s strongly influenced the USA’s policy in dealing with communism as it heightened the fears of the
spread of communism, thus causing USA to have to use such a harsh approach to stop the spread of communism. Source B offers a less credible perspective on
the issue of why the US got involved in the Korean War because it originates from a North Korean textbook, which is used to educate citizens about the history of the Korean War, so it is likely to be biased as it would want the
citizens to think well of North Korea. Also, contextual knowledge, which tells me that North Korea invaded South Korea first on the 25th June 1950, contradicts Source B's claim that the USA had sent forces to invade North Korea
first because it was actually the opposite, considering that North Korea was the one who initiated the war by invading South Korea first. Hence, Source B offers a less credible perspective on external factors motivating the US to get involved in the Korean War because the USA intervened in the Korean War due to an external factor, which is the fact that North Korea invaded  South Korea, which is aggression displayed by the communist forces that heightened USA's fears of the spread of communism, thus getting themselves involved in the war. Source E offers a less credible perspective on the issue of why the US got involved in the Korean
War because it originates from a New Zealand newspaper, which would unlikely know the full details of the Korean War, considering that it was not a key party that experienced the Korean war first-hand. Also, contextual knowledge tells me that China only fell under the Chinese Communist Party in October 1949 so it would mean that China would not have as far-reaching influence over the
countries in Asia in a span of 1 year month, as shown in the cartoon so this undermines Source E's claim that China had a very big part to play in spreading communism
to other Asian countries, which eventually led to US intervention in the intervention of the Korean War, because it was unlikely that China could gain so much power in 1 year month to
spread influence all over Asia.

Thus, as 'support' sources, A, B and E are largely unreliable and this makes it likelier that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

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Sources A and B are similar in saying that the role of military aggression by both North Korea and the US led to conflict between the two countries, which contributed to the outbreak of the Korean war.
Source A says that North Korea was trying to extend its influence over South Korea with communist ideology through the use of military force, which was strongly opposed by the US, therefore showing the conflict between USA and North Korea. This is seen in how source A states that ' The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war. It has defied the orders of the Security Council of the United Nations issued to preserve international peace and security.'
Similarly, source B says that military forces were used by USA in their invasion of North Korea which was seen as an intrusive act by USA, thus suggesting conflict between the two countries. This is seen in how source B states 'Having passed the 38th parallel, the enemies crawled deeper and deeper into the North half of the Republic, the invading forces of the enemies had to be eliminated and the threatened fate of our country and our people had to be saved.'

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Both sources A and B are similar as contextual knowledge informs us that after Stalin had approved of Kim's request to invade South Korea on April 1950, the invasion of South Korea on 25 June 1950 was followed by US intervention in commitment of air and sea forces to the Korean war on 27 June 1950.
For source A, contextual knowledge corroborates how Kim had the idea of invading South Korea using force  and did so through military aggression on 25 June 1950.
For source B, contextual knowledge corroborates how USA [needed to cite here specifically, for example, that Truman publicly committed these forces in a speech] used military aggression in an effort to repel the communist forces in North Korea on 27 June 1950.

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Sources A and B differ in their views regarding who instigated the use of military aggression which contributed to the Korean war. Source A says that the communists were the instigators as they used military aggression to invade South Korea, leading to the conflict between the two countries. This is seen in how source A states that 'The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war.'
Similarly, In contrast, source B says that the US  had intruded North Korea using military aggression without prior warning, thus leading to the conflict that contributed to the Korean war. This is seen in how source B states 'That dawn, the enemies unexpectedly attacked the North half of the Republic, and the war clouds hung over the once peaceful country, accompanied by the echoing roar of cannons.'

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Sources A and B differ in their views as they were written by different authors [<-- Insufficient; need to consider context too]. Source A was a statement made by President Truman on 27 June 1950. As this was soon after North Korea's invasion of South Korea, Truman's aim of this speech was to criticize the communist forces for the use military aggression to invade South Korea and to justify the need for US intervention to protect South Korea. This was especially because of Truman's disapproval towards communism, after the conflicts it already had with the Soviet Union in the ongoing Cold war between the them, thus resulting in Truman blaming the communists for North Korea's invasion of the South.
For source B, it is an excerpt from a North Korean textbook in 1999. It would therefore aim to portray North Korea in a good light and justify the need for North Korea to retaliate in the Korean war, while being highly critical of USA such that they were the initiators of the Korean war as they used military aggression against North Korea, which would therefore convince students in North Korea to likewise resent the US and perceive US as a threat to North Korea.
[How did historical context e.g., prior instances of communist aggression in Europe, influence Source A's views?]
[How did historical context e.g., written at a time far removed from the actual conflict, by a government seeking to legitimise itself through as many means as possible, influence Source B’s views?]

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Sources C and D support the hypothesis by highlighting how the domestic factor of McCarthyism in the US pressurized Truman to adopt a stricter stance against communism as it had increased fears among US people towards communism and the Truman administration wanted to maintain their credibility as a government committed to eliminating the communist threat, thus resulting in US involvement in the Korean war.
This can be seen in how source C states that 'McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years.' Source C's view is reinforced by source D that states 'I have in my hand 57 cases of individuals who would appear to be either card carrying members or certainly loyal to the Communist Party, but who nevertheless are still helping to shape our foreign policy.'
Thus, both sources support the hypothesis as they say that McCarthyism resulted in the credibility of the Truman administration being threatened, as it emphasized the inability of Truman to eliminate the communist threat even in the internal government of the US, thus it was the main factor that led to US involvement in the Korean war in order to eliminate these accusations made about the US government.

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Source C offers a credible perspective on how domestic issues motivated the US to intervene in Korea. Source C was written by an academic in 1999, which was when the Korean war had already ended. Thus, it would likely present a more reliable perspective on this issue as documents and accounts from people involved in the Korean war would be more attainable, as compared to sources that were written during the Korean war which could present a more one-sided biased perspective based on the conflicts at that point of time. Contextual knowledge also confirms Source C's view because it is true that the Chinese Communist Party of China had won victory in October 1949 and the USSR had successfully developed its own atomic bomb in August 1949.
Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War as the claims made by Senator McCarthy were not completely accurate and were exaggerated to paint the Truman administration in a negative light. Since McCarthy was a Republican, and would thus be against Truman who was a democrat, McCarthy would aim to exaggerate the threat of communism in the US government through making unconfirmed claims such as the number of cases of individuals in the US government who supported the communists. These inaccurate claims were made to increase fears among people towards communism and therefore damage the credibility of the Truman administration as people would perceive them to have failed in preventing the communist threat, thus supporting the Republicans over the Democrats. However, despite the inaccuracy of McCarthy's claims about how severe the infiltration of communists in the US Army was, McCarthy's claim that "Six years ago, there was within the Soviet orbit 180 million people. Today, only six years later, there are 800 million people under the absolute domination of Soviet Russia-an increase of over 400 percent." made a valid point about the growing threat of communist Russia. Also, contextual knowledge confirms McCarthy's claims about the rising threat of the USSR and communism as seen in how there were communist victories such as the successful testing of the atomic bomb in USSR in 1949, which suggested that the USSR was catching up to the US in their nuclear arms race, thus showing the increasing threat of the communists.
Thus, as 'support' sources, C and D are largely reliable and this makes it likelier that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

# data[].attributes.body
Sources A. B and E challenge the hypothesis by highlighting how external factors which were the communist threats from other countries was the main factor motivated the USA to become involved in the Korean war. This is seen in how source A states that 'In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area.' Source A's views are reinforced by source B that states 'Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.' Source A and B's views are also reinforced by source E as it shows that communist China, represented by an octopus, had its tentacles reached out to East and Southeast Asian countries such as Tibet, Malaya, Korea and Indo China, suggesting that there was the communist threat posed by China as they were trying to extend its reach in terms of communist influence to other countries. Thus, the sources challenge the hypothesis as they say that the communist threat from countries outside the US was the main factor that motivated the US to become involved in the Korean war.

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Source A offers a less credible perspective that external factors motivated the US to intervene in Korea. Source A was a speech by Truman that aimed to convince the United Nations that US intervention to defend South Korea in the Korean war was necessary to prevent the threat of communist influence by North Korea. Thus, he would he would be less likely to have been upfront about the pressure he faced from domestic issues in the US such as the intention to dispel the criticism made by the Republicans towards  Truman, who was a democrat, of not being able to eliminate the communist threat even within the US government. Contextual knowledge also undermines Source A's claims that it was mainly external factors as the 'loss' of China in October 1949 resulted in increased domestic pressure on the Truman administration, having failed to save Chiang Kai Shek's China from falling under communist influence, thus Truman was motivated to intervene in the Korean war as he aimed to maintain his credibility of committing to contain the threat of communism.
Source B offers a less credible perspective on the issue of why the US got involved in the Korean War as it was from a North Korean textbook and thus the author would aim to portray North Korea in a more positive light whilst pushing the blame onto the US by saying that the US had started the Korean war. Contextual knowledge contradicts Source B's claim that  the US had initiated the war on 25th June 1950 and 'unexpectedly attacked the North half of the Republic' because it was actually North Korea who had initiated the war on 25th June 1950 by crossing the 38th parallel into South Korea first. Thus, source B offers a less credible perspective that external factors motivated the US to intervene in Korea.
Source E offers a less credible perspective on the issue of why the US got involved in the Korean War as it was a political cartoon published by a New Zealand newspaper, which was not one of the parties that were directly involved in the Korean war. Thus the views posed by the cartoon would likely be limited unbalanced as they would not have experienced and known fully about the internal affairs of the parties involved in the Korean war. Furthermore, political cartoons would tend to caricature instead of seeking to provide a balanced analysis of the events that happened in the Korean war, thus reducing its credibility as a source due to the lack of balance in perspective. Contextual knowledge that the Chinese Communist Party (CCP) had only taken control over China on 1 October 1949 undermines source E's depiction of the vast extent of communist China's reach such that they had already extended its communist influence over many countries such as Tibet, Malaya, Indochina and Korea. This is because China is unlikely to have been able to extend its reach to that many countries within a short span of time by November 1950, when the CCP had only been in power for slightly over a year. Thus, as 'support' sources, A, B and E are largely unreliable and this makes it likelier that domestic factors were the main factor that motivated the USA to become involved in the Korean War.

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Sources C and D support the hypothesis by highlighting how McCarthyism heightened the fear of communism plaguing American democracy and pressured the US to appear tough on communism, causing the US to intervene in the Korean War to counter the accusations of domestic communism. Hence, domestic issues were seen as the main factor that motivated the US to become involved in the Korean War. This is seen in how Source C states that ‘McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years’. Source C's view is reinforced by Source D that states ‘I have in my hand 57 cases of individuals who would appear to be either card carrying members or certainly loyal to the Communist Party, but who nevertheless are still helping to shape our foreign policy’. Thus, both sources support the hypothesis as they say that McCarthyism and its accompanying accusations of possible communist infiltration within the US compounded fears of internal communist sabotage, This plausibly motivated Truman's administration to take a hardline stance against North Korea's invasion of South Korea and intervene in the Korean War.

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Both Sources A and B differ in their views because they were produced during different times and were written by different authors. For Source A, it originated from the President of the USA, who stood for liberty and democracy. His speech in 27 June 1950, was meant for the international audience and his country, in order to justify USA’s intervention in the Korean War, so he had to explain that countries with differing ideologies were increasing their influence, which was a threat to the USA. This explains his harsh stance in saying that the communists were North Korea was the initiator of the war. Historical context also influenced Source A's views through prior instances of communist aggression in Europe, such as the sovietisation of Eastern Europe through the Soviet's 'Salami Tactics', which inevitably led the USA to feel threatened that the communist forces were doing all that they can to spread their influence, which also led to USA's harsh stance in Source A. For Source B, it originated from a textbook in North Korea, which has differing ideologies from the USA, and the textbook is used to teach the younger generations of North Korea on the history of the Korean War. Thus it is meant to influence the younger generations that the war was caused by an opposing party, in order for the children in North Korea to continue being patriotic and supportive towards their own country. Furthermore, the textbook was from 1999, years after the Korean War had ended, meaning that North Korea could write the history of Korean War in a way that benefited their government however they wanted it to be, considering that the current generations were less like to would not have known what truly happened.

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Sources C and D support the hypothesis by highlighting how McCarthyism emphasised that communism was a growing  and prevalent threat to America,increasing fear and creating a pervasive atmosphere amongst the people,which thus motivated the US to be involved in the Korean War.This is seen in how Source C states that "  McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years".Source C's view is reinforced by Source D which states that "  One thing to remember in discussing the Communists in our Government is that we are dealing with a sinister type of activity because it permits the enemy to shape and guide our policy".Thus,both sources support the hypothesis as they say that the rapid expansion of the communist sphere of influence has heightened the fear of communism and it is further exacerbated by McCarthyism, which motivated the US to intervene in the Korean War.

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Both Sources A and B are similar in saying that military aggression needed to be used against each other to overcome the threat that has been imposed on each other's countries. Source A says that communism was now trying to spread its influence to other countries not just by simply taking over the government but by using war efforts, like the attack on Korea. This is seen in how Source A states that 'communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war.' Similarly, Source B says that America wanted to prevent the growth and influence of North Korea by attacking them. This is seen in how Source B states that 'American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.'

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Both Sources A and B share similar views because contextual knowledge informs us that both USA and communist parties used military aggression against each other in the Korean War following the invasion of South Korea by North Korea on 25 June 1950. For Source A, contextual knowledge corroborates how communism did take military action in the Korean War when Stalin agreed to Stalin agreed to Kim's request for Soviet support to invade South Korea in April 1950. For Source B, contextual knowledge also corroborates how America had taken military action against communism in the form of a UN mission on 27 June 1950 [Need to be more specific in terms of how Truman had committed US air and sea forces on this date].

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Both Sources A and B differ in their views regarding who was the initiator of military aggression in the Korean War. Source A says that American forces simply wanted to retaliate to prevent any further spread of communism as a result of the initial attack on Korea that the communist parties made. This is seen in how Source A states that the communist parties 'defied the orders of the Security Council of the United Nations issued to preserve international peace and security.' In contrast, Source B says that Americans were the initial invaders and the attack made was unexpected to the communist North Korea. This is seen in how Source B states that 'The American invaders who had been preparing the war for a long time, alongside their puppets, finally initiated the war on June 25th.'

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Both Sources A and B differ in their views because the sources were written at different times and by different authors. For Source A,  the source was written around the time that the Korean War had broken out on 27 June 1950. The author of the source was the American President Harry Truman, with the aim of convincing the UN of the significance in protecting the USA and its role in preventing the spread of communism. In 1950, the USA and the USSR had growing tensions as a result the Cold War which was going on concurrently. Hence, source A is more likely to be critical against the communist parties and their role in the Korean War. [How did historical context e.g., prior instances of communist aggression in Europe, influence Source A's views?]  For Source B, the source was written years after the armistice agreement on the Korean War on 27 July 1953, and the author is likely from North Korea. As a form of propaganda to teach North Korean children that Americans were the 'enemies' in order to ensure that communism would continue to be well-supported which benefits their government.

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Both sources were similar in terms of agreeing that communism was spreading widely within nations and was seen as a threat to the America. Source A states that the Korean War has acted as a sign to the Democratic Party that the communist party was trying to spread its influence within Korea and America needs to stand for South Korea to prevent anymore communism spreading. I know this as it is stated in Source A that " attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war." While source B states that the Americans were afraid and felt threatened due to the continuous spread of communism and took actions to stop it from spreading within Korea. I know this as it is stated in Source B that " Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy. "

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Both Sources A [CK needs to be specific for Source A e.g., the exact date of North Korea’s invasion of South Korea; months and years of Kim’s requests to Stalin to invade South Korea] and B share similar views because contextual knowledge informs us that the Americans did took actions to try to stop the victory of the communist party within Korea and it was in 25 to 27 Jun 1950, which the United Nations have condemned North Korea's Invasion and approved US-Led UN mission. [CK needs to be specific for Source B e.g., the exact date sof Truman committing US air and sea forces to assist the UN in intervening in Korea, UN Command being led by the US]

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Both Source A and B differ their views in regards to how they view the intervene by the Americans. In Source A, it finds that the intervene is a need to save the people from Korea, as the communist party's has taken actions to start military war and broke Korea's peacefulness and independence to spread communism which was unacceptable and incorrect to do so. I know this as it is stated in Source A that "  It has defied the orders of the Security Council of the United Nations
issued to preserve international peace and security." and " United States forces performing their lawful and necessary functions in that area." While Source B finds that the intervene from the Americans were an obstacle for the communist party to rescue the people from different ideology ( South Korea) and spread communism. I know this as it is stated in Source B " invading forces of the enemies had to be eliminated and the threatened fate of our country and our people had to be saved."

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Both Sources A and B are similar in saying that military aggression was used by both the US and communists in the Korean War to achieve their own aims, that military aggression played an important role in the Korean War. Source A says that military aggression was used by the communists as the communists were aiming to spread their influence to other countries by conquering them, in this case, Korea. This is seen in how Source A states that ‘The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war.’ Similarly, Source B says that US was using military aggression as well because US was aiming to contain the power of the communists in North Korea. This is seen in how Source B states that ‘Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.’

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Both Sources A and B share similar views because contextual knowledge informs us that following the invasion of South Korea by North Korea on 25 June 1950, the Americans intervened in the Korean War on 27 June 1950 with Truman’s announcement that he was committing American forces to a combined UN military effort in Korea. For Source A, contextual knowledge corroborates that North Korea used military aggression and invaded South Korea to unify Korea. For Source B, contextual knowledge corroborates that the US-led UN forces launched an attack on the port-city of Inchon and forced the North Koreans to retreat behind the 38th parallel [I will accept; but note though, that this happened on 15 September].

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Both Sources A and B differ in their views regarding which party instigated the Korean War using military aggression. Source A says that the communists were the instigators of the Korean War who used military aggression as the communists were the ones who started the Korean War by invading South Korea using aggression.  This is seen in how Source A states that ‘latest aggression in Korea’. [Quote is insufficient as evidence.] In contrast, Source B says that US was the instigator of the Korean War who used military aggression as the US actively prepared to use military aggression in the Korean War and led military forces to invade North Korea. This is seen in how Source B states that ‘The American imperialists furiously carried out the war project in 1950. The American invaders who had been preparing the war for a long time, alongside their puppets, finally initiated the war on June 25th.’

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Both Sources A and B differ in their views because both sources were produced by different authors [<-- Insufficient; need historical context too.]. Different authors would have different agendas when producing the sources. For Source A, the author of the source was President Truman and one of his aims was to convince the Congress of the need to support US military efforts in intervening in the Korean War. Truman does so by emphasising the severity of the Communist threat, showing how the invasion of South Korea would have a domino effect by further showing how other countries would be threatened, Source A stating that ‘the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area’. For Source B, the author of the source was a writer of a North Korean textbook, Source B being excerpts from a North Korean textbook. As a writer in North Korea, it is likelier that the writer would portray US as the initiator of the Korean War who used military aggression and protect North Korea’s reputation in the Korean War rather than say that North Korea was the initiator of the Korean War who used military aggression and portray North Korea negatively. [How did historical context e.g., prior instances of communist aggression in Europe, influence Source A's views?]
[How did historical context e.g., written at a time far removed from the actual conflict, by a government seeking to legitimise itself through as many means as possible, influence Source B’s views?]

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Sources C and D support the hypothesis by highlighting how domestic factors such as McCarthyism exaggerated the impact of communism in America which heightened the fears of many Americans. This led to a lot of pressure on the Truman administration to take action against communism by engaging in the Korean War. This is seen in how Source C states that ‘McCarthy’s accusations, combined with the disclosure of genuine instances of espionage and betrayal, led to a prolonged Red Scare which swept the nation during the next few years.’ Source C’s view is reinforced by Source D that states that there are individuals who reside in America ‘either card carrying members or certainly loyal to the Communist Party, but who nevertheless are still helping to shape our foreign policy.’ Thus, both sources support the hypothesis as they say that McCarthyism’s impact on Americans and the subsequent pressure that the government had to face due to accusations acted as a domestic factor that motivated the US to intervene in the Korean War as a way to prove their anti-Communism stance.

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Source C offers a credible perspective on how domestic issues motivated the US to intervene in Korea. Source C was written by an academic at a time when the tensions between Americans and communist forces had been formally reduced and many years after the Korean War ended with the armistice agreement, and thus, was likely to be able to present a reliable perspective on this issue because it is less likely to be one-sided as compared to a source written at that time and had a greater incentive to provide a more one-sided view, such as Source A. or biased as there was no existing conflict at the time. Contextual knowledge also confirms Source C's view because it is true that the ‘loss’ of China and the successful attempts of the USSR to create their own atomic bomb were motivations for the US to engage in the Korean War. Source D appears to offer a less credible perspective on the issue of why the US got involved in the Korean War because at the time, Joseph McCarthy was a Republican who was trying to exaggerate the significance and impact that communism would have on the US, and highlight the failure of the Truman administration in battling communism to turn Americans against them. However, despite the inaccuracy of McCarthy's claims about how severe the infiltration of communists in the US Army was, McCarthy's claim that "Six years ago, there was within the Soviet orbit 180 million people. Today, only six years later, there are 800 million people under the absolute domination of Soviet Russia-an increase of over 400 percent." made a valid point about the growing threat of communist Russia.  Also, contextual knowledge confirms McCarthy's claims about the rising threat of the USSR and communism as seen in how the US lost their advantage in the nuclear arms race when the USSR's completed its first successful atomic test in August 1949. Thus, as 'support' sources, C and D are largely reliable and this makes it more likely that domestic issues were the main factor that motivated the USA to become involved in the Korean War.

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Sources A, B and E challenge the hypothesis by highlighting how the external factor that is the growth of communism and its influence internationally is what motivated the US to intervene in the Korean War. This is seen in how Source A states that ‘In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces’ which clearly shows that the events where communism had spread to was out of the US. Source A view is reinforced by Source B that states ‘Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation  of an aggressive war in order to  destroy it in its infancy.’ Source A's and B's views are also reinforced by Source E that portrays the Communist China as an octopus that is trying to spread its communist influence to other countries in Asia, such as Korea, Indochina and Malaya that generally were under a democratic government. Thus, the sources challenge the hypothesis as they say that external factors where communism is spread to countries not just in the US but other democracies, drove the US to intervene in the Korean War to contain the growth of communism.

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'Both sources A and B are similar in saying that both the Americans and the Communists used the Korean War as a way to spread their influence and further their agenda. Source A says that the North Korean invasion into the South was a way for the Communists to further their spread the influence through the use of force.  Source A states 'The attack upon Korea makes it plain beyond all doubt that communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war'. Similarly, source B says that American intervention in the Korean War was because the Americans did not want to allow the Communists in North Korea to prosper and so decided to invade North Korea with the South Koreans so as to spread their influence and destroy Communism. Source B states 'Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.'

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Both sources are similar in saying how the United States and North Korea used military force to intimidate and win over each other’s influence. Source A states that communist North Korea attacked democratic South Korea to spread its communist influence. This is evident from “ The attack upon Korea makes it plain beyond all doubt that communism had passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war." Similarly, Source B states that the United States attacked  North Korea  to curb its communist influence while it is still onset. This is evident from “ Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.”

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Both sources share similar views because contextual knowledge (C.K)  [Mr Chee: you cannot abbreviate these words] shows that after the invasion of South Korea by North Korea on 25 June 1950, USA retaliated and committed... publicly... on 27 June 1950 led an attack on the North on 27 June 1950. For Source A, C.K. corroborates how North Korea led troops crossed the border into South Korea with the intention of uniting both Koreas under communism in 3 weeks. For Source B, C.K. corroborates how 2 days after the invasion by North Korea, UN supported United States’s decision and provided an international military for them to repel North Korean aggression. [Need to revisit the details and be more accurate in using them.]

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Both sources differ in saying whether it was the United States or North Korea that first started the Korean War using military aggression. Source A states that North Korea was the aggressor. This is evident from “ I know that all members of the United Nations will consider carefully the consequences of this latest aggression in Korea in defiance of the Charter of the United Nations.” Source B states that the United States was the initiator. This is evident from “ The American invaders who had been preparing the war for a long time, alongside their puppets, finally initiated the war on June 25th."

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Both sources differ in their views because they were written in different time periods and by authors with different motives and audience. [How did historical context e.g., prior instances of communist aggression in Europe, influence Source A's views?]
For Source A, the source is produced by Truman’s administration in 1950 when the Korean War has just started and things are unstable. As such, the Truman’s administration published this speech to convince the US congress the dire need to contain the spread of communism so that they would approve of the economic and military aid to South Korea. Hence source A will also be extra critical of the actions of North Korea in order to convince and gain US congress’s support. For Source B, it is produced in North Korea as an educational history material in 1999, long after the Korean War. The real facts of the Korean War was twisted to propagate the young in North Korea on how they were the victims in the war. This is to protect its reputation against its own citizens and make it seem like they participated in the Korean War to protect itself and not as an aggressor. Despite its factual inaccuracy, it confirmed that hostilities existed between communist North Korea and the United States.

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Source A offers a less credible perspective that external factors motivated the US to intervene in the Korean War. Source A was a speech by Truman that aimed to convince Americans and the United Nations that the US needed to defend the security of the US while containing communism and thus, he would be less likely to have been upfront about how the Truman administration’s main aim was to contain communism to uphold its reputation to Americans who expected them to. Contextual knowledge also undermines Source A's claims that it was mainly external factors because the ‘loss’ of China caused civilians to blame the Truman administration for failing to uphold the security of the US. Source B offers a less credible perspective on the issue of why the US got involved in the Korean War because the source was written by North Koreans who were trying to teach future generations of North Koreans to continue to support the North Korean communist ideals and to go against the US. Also, contextual knowledge contradicts Source B's claim that Americans were the initiators of the Korean War because it was actually North Korea that invaded South Korea first on 25 June 1950. Source E offers a less credible perspective on the issue of why the US got involved in the Korean War because it was featured in a newspaper in New Zealand, which likely had insufficient access to information about Communist China and their motives. It is also a political cartoon that exaggerates the actual extent of the spread of influence of communism. Also, contextual knowledge undermines Source E's claim that China was able to spread its communist influence to four other countries so quickly, because it was unlikely that China only started only becoming communist on 1 October 1949. Thus, as ‘challenge’ sources, A, B and E are largely unreliable and this makes it more likely that domestic factors were more of what motivated the US to intervene in the Korean War.

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Sources A, B and E challenge the hypothesis by highlighting how external factors were the main reason that that motivated the USA to become involved in the Korean War. This is seen in how Source A states that ‘In these circumstances the occupation of Taiwan by Communist forces would be a direct threat to the security of the Pacific area and to United States forces performing their lawful and necessary functions in that area.’, that US was getting involved in the Korean War because the communist’ expansionism was a threat to other countries other than US. Source A's view is reinforced by Source B that states ‘Upset by the fast and astonishing growth of the power of North Korea, the American invaders hastened the preparation of an aggressive war in order to destroy it in its infancy.’, that US was getting involved in the Korean War because of US was seeking to contain communism on a global scale after seeing the communists’ growth. Source A's and B's view are also reinforced by Source E that portrays communists China reaching out to other countries in Asia such as Indochina and Malaya in the form of an octopus, representing the global spread of communism. Thus, the sources challenge the hypothesis as they say that external factors such as the spread of communism to other countries were the main reason that motivated the USA to become involved in the Korean War.