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In 1947, the Truman Doctrine had a huge impact on many countries that had been struggling after World War II. The United States had made a promise to help countries like Greece and Turkey by providing them with financial aid and military assistance to prevent them from coming under the influence of the Soviet Union. This had been the start of America trying to stop the spread of communism around the world.

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1947 investigation of the Loyalty Review Board

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1947 investigation of the Loyalty Review Board

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In 1947, President Truman had created the Loyalty Review Board to investigate whether certain government workers were being loyal to the United States. Several individuals had charged, and some were even dismissed from their jobs without any substantial evidence of wrongdoing. This indicates the level of fear Americans once had about communism, which produced many unfair accusations and worsened the Red Scare.

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1950 the attack of North and South Korea

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1950 the attack of North and South Korea

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The Korean War began in 1950, when North Korea had suddenly attacked South Korea in an attempt to take over the whole country. This had been one of the first large conflicts of the Cold War, with the United States and other nations coming to help South Korea stop the communist threats. As a result, the war had showed the strength of U.S. and the allied military forces in stopping the spread of communism and protecting smaller nations from being taken over.

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1950 China Joins hands in the Korean war

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1950 China Joins hands in the Korean war

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China's participation in the Korean War in 1950 changed the direction of the fighting by pushing U.S. and U.N. forces back down the Korean Peninsula. Before China had gotten involved, North Korea had been losing badly, but their soldiers were helping to stop the enemy from taking over completely, causing the war to drag on with no clear winner. Instead of the clear victory that everyone had hoped for,China's actions had worsened tensions between the U.S. and communist countries, adding to the Cold War strain.

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In 1953, Julius and Ethel Rosenberg were sentenced to death for spying for the Soviet Union during the Cold War. The trial was quite controversial, and some people thought that they had been punished too harshly with insufficient evidence. The execution of the two in 1953 showed how far the U.S. would go in its effort to prevent the spread of communism and how much the Soviet threat had frightened everyone.

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In 1954 the Army-McCarthy hearings had broadcast to the entire nation on live television Senator Joseph McCarthy's aggressive and unfair questioning style. Millions watched as, not only did McCarthy fail to produce real evidence of communist infiltration in the U.S. Army, but he looked reckless and dishonest. By the end of the hearings the Senate had officially censured him and he was brought down and McCarthyism was done for.

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January 5, 1957-The Eisenhower Doctrine 

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January 5, 1957-The Eisenhower Doctrine 

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The Eisenhower Doctrine had been made in 1957 to help countries that were in the Middle East In case they were in danger from communism. The United States had made a promise to send money weapons and soldiers to the countries who needed the most help. The US furniture to protect those in need and stop communism from spreading to new places.

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In 1958, the United States had launched their very first successful spacecraft the (Exploer 1), which had been a very big moment in the Space Race. Before this, the Soviet Union had also launched their very first spacecraft, the (Sputnik) to prove that they were ahead in space,but  the Exploer 1  had helped the U.S. catch up. It was also important because it helped scientists discover the Van Allen radiation belts, areas in space filled with radiation that could harm space travel, making future missions safer.

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In 1960, U-2  planes had been used to take pictures of what the Soviet Union was doing from very high up in the sky. They had helped the United States find out about the secret Places where they had been keeping their weapons. When one of the planes was shot down it made the Soviet Union and the United States argue even more during the Cold War.

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August 1961 The Building of the Berlin Wall

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August 1961 The Building of the Berlin Wall

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The Berlin Wall was built in August of 1961,  to separate East Berlin and West Berlin during the Cold War. Best had stopped families and friends from seeing each other and made life very hard for people in the East part of Berlin. The wall had become a powerful symbol of the fight between freedom and control during this time.