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German telegram sent to Mexico proposing an alliance.
it stated that Germany would help Mexico reconquer the lose territory of New Mexico.
The communication was an attempt to draw Mexico into warfare should the United States join the Allies in Europe.

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President of the U.S. during WWI.
Tried his best to keep the United States neutral during World War I but ultimately called on Congress to declare war on Germany in 1917.
After the war, he helped negotiate a peace treaty that included a plan for the League of Nations (even though the rest of America did not agree).

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German leader who thought Germany could get though Belgium to get to France before Russia could mobilize their troops and the war would be over in 6 months.
Some historians think that Wilhelm was controlled by his generals, while others argue that he retained considerable political power.

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A kitchen garden planted during wartime to relieve food shortages.
Provided American citizens an opportunity to help with the war.
Americans were encouraged to produce their own food, planting vegetable gardens in their backyards, churchyards, city parks, and playgrounds.

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Militarism, Alliances, Imperialism, and Nationalism.
Militarism developed a rise in military expenses, an increase in military and naval forces, increased influence of military men, and a force for a solution to war problems.
Alliances pressured nations into the war, it made war more widespread and caused more people to die.
Imperialism (when a strong nation takes over a weaker nation or region and dominates its economic, political, and cultural life) shaped political alliances between nation's involvement in the war and by moving attention away from domestic issues and towards economic improvement.
Nationalism helped civilians understand the heat between powers, nationalism was often used to help persuade men to come into the military. It was also identified as the trigger behind WWI because of the assassination of Archduke Ferdinand in Serbia.
Also known as the five factors that initiated WWI.

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Submarines that were the worlds largest and most advanced.
Caused heavy losses to Allied shipping.
One of Germany's sunk the Lusitania.

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The alliance of France, Britain, Russia.
Opposed the Triple Alliance.
With added on partners, also known as the Allies (along with U.S.), and won WWI.

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Germany, Austria-Hungary alliance later joined by Italy.
Germany and Austria-Hungary had been closely allied since 1879.
Later, Italy declared war on Austria-Hungary.

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French + German armies built these protective ditches.
They dug simple holes or complex networks with rooms for sleeping and eating.
Troops were significantly protected from the enemy's fire and were sheltered from artillery.
These trenches typically faced the opposing troops.

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Final peace settlement of WWI (was harsh on Germany bc of cancelled reparations & rise of Hitler).
It ended the state of war between Germany and the Allied Powers.
Was signed on June 28, 1919. Five years after the assassination of Archduke Franz Ferdinand.

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A peace treaty to keep Russia out of the war.
Germany also signed this peace treaty.
Treaty between the new Bolshevik government of Soviet Russia and the Central Powers.
Soon after, the country turned in on itself with a bloody civil war between the Bolsheviks and the conservative White Guard.

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When neither side can win a clear victory.
Can also be identified as a draw.
In regards to WWI, it refers to the trench-warfare which consisted of miles of trenches which were supported by machine guns/artillery. If either side tried to move forward, they would be mowed down by the machine guns.
Many people had to die to move forward a few feet that it was considered a stalemate.
The addition of tanks counteracted this since it was something for soldiers to hide behind while advancing.

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The right of people to decide their own political status.
Self determination can also be identified as what nations use to keep themselves out of wars that are going on with other people.
When the United States used the national self determination in the beginning of WWI, they were trying to stay out of a war that they did not believe was their fight.

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Required men 21-30 to register to be drafted into the armed services.
This act was passed on May 18, 1917.
The Allies desperately needed fresh troops to help their tired men already on the battlefields of the Western Front.
The U.S. only had a small army of volunteers which weren't trained for the kind of fighting that was going on in Europe.

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Made it illegal for Americans to speak disloyally about the U.S. government.
Also known as an act of the U.S. Congress that extended the Espionage Act of 1917 to cover a range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a negative light.

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Germany's plan for a fast attack on France then an attack on Russa (Belgium slowed them down).
The plan took nine years to finalize.
It was based on the theory that Germany would be at war with France and Russia at the same time.
Germany had started drawing up the Schlieffen Plan in 1897 (just in case).

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Payments for damages and expenses caused by the war.
Also may be known as compensation for war damage paid by the defeated.
Treaties stripped the Central Powers of substantial territories and imposed significant reparation payments.

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Posters created to encourage Americans to support the war.
Misleading information typically used to promote a certain political cause or point of view.

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Area between opposing trenches.
It is land that is unoccupied or is under dispute between parties who leave it unoccupied because of fear or uncertainty.

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Russian czar who hesitated to mobilize troops after Austria-Hungary declared war on Serbia.
He was the last tsar of Russia under Romanov rule.
His poor handling of Russia's role in WWI led to his resignation and execution.

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To prepare military for war.
This term was first used in a military context, to describe the preparation of the Russian army during the 1850s and 1860s.

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The building up of military forces or strong influence of military values on a society.
Including new military technologies.
Arms race between countries.
Glorification of War.
The belief of a government that a country should prepare a strong military capability and be prepared to use it to defend national interests.

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British passenger ship sunk by a German U-Boat - 1200 people died including 128 Americans.
Caused such an uproar that it initiated some of USA's involvement in WWI.

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Money from the sale of these provided loans to the Allies to buy food and war supplies.
Government placed higher taxes on incomes and some goods such as tobacco and railroad tickets.

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Organization of nations formed to settle international disputes and maintain peace (failed - US did not join, no military force).
Founded on January 10, 1920 as a result of the Paris Peace Conference that ended the WWI.
(Reason) America had suffered civilian casualties in the war, and many U.S. citizens wanted to keep America out of European affairs.

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Heir to throne in Austria who was assassinated by a Serb nation alisted (which started war).
His wife Sophie was shot along with him.
This initiated Austria-Hungary's declaration of war against Serbia.
The assassination led to the war between the Allies and Central Powers (Germany and Austria-Hungary...etc).

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Wilson's ideals after war, freedom of ships on the seas, smaller armies, end of secret agreements between nations.
The reason behind fourteen points is the fact that Wilson wanted peace and for WWI to be the "war to end all wars."

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American foot soldiers.
Used to refer to members of the American Expeditionary Forces in World War I.
It's not certain where the name derived from, some say it is because the soldiers of the Mexican War looked as if they were covered in dough because of the long walks in the dirt.

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People who seek the equal distribution of wealth and an end to all forms of private property.
People started to notice a rise in communism during and after WWI.
The old Russian government was overthrown during the war and everything was described as a domino affect afterwards.

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Consisted of Austria-Hungary and Germany. (Joined later by..) Bulgaria and Ottoman Empire.
Although the Ottoman Empire concluded a secret treaty, they had no choice but to side with the central powers because of where the empire was located.

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A situation in which the strength of rival alliances are nearly equal.
The balance of power in 1914 Europe was an issue when WWI was declared in August 1914.
The Treaty of Versailles wanted to abolish the dominance of the 'Balance of Power' concept and replace it with the League of Nations.

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A truce that ended the war- 11th hour, 11th day, 11th month of 1918 (Veterans Day).
Turkey signed an armistice at the end of October 1918, Austria-Hungary followed on November 3 to end WWI.

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A truce or a formal agreement of opposing parties to stop fighting.
The first Armistice was an agreement signed by representatives of France, Great Britain and Germany.

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The Allies of WWI were: Britain, France, and Russia (later joined by Italy) and the U.S..
France was obligated to join WWI because of their alliance with Russia.
These countries fought against the Central Powers.

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Machine guns were automatic guns that fire bullets rapidly as long as the trigger is pressed.
These guns made it easier and faster to kill because of how fast the bullets shot and how far they could go.
It also took less time to reload rather than a gun that only could shoot six bullets at a time.

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Poisonous gas was also a significant factor in war.
It was gas or vapor used to disable or kill an enemy in warfare.
Using this gas was much more easier and safer than shooting and bombing (for the opposing team anyway).

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Another significant weapon used in WWI were Airplanes, which were powered flying vehicles with fixed wings.
These planes helped transport soldiers great distances more safely and in a shorter amount of time.
Airplanes also had more bombing and attacking capabilities since most war was focused on land in this time period.

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One of the main weapons used in warfare in WWI were Tanks, which were heavy armored fighting vehicles that carried guns.
These tanks were essential in this time period because they increased mobility on the Western Front.
Were heavily armored and they could get through war without as much damage.