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Secret agreement between Germany, Austria-Hungary, and Italy
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Russia, France, and Britain form an alliance.
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President Woodrow Wilson was determined to keep the US neutral and out of the war.
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Franz Ferdinand was assassinated by Gavrillo Princip, a Serbian boy that walked up to Ferdinand and killed him.
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Serbia is blamed for the assassination of Archduke Ferdinand by Austria-Hungary.
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Russia declares war on Austria-Hungary due to alliance with Serbia.
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A British passenger ship, called the Lusitania was shot down by German U-Boats. 128 Americans on board were killed, angering the US.
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A bomb went off in San Francisco during a pro-war parade
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Slogan was, "He kept us out of war."
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Britain intercepted the Zimmerman Telegram. It was sent to Mexico by Germany, stating that if Mexico helped Germany defeat the US, they would get the land they lost in the Mexican-American War back.
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Germany begins to use U-boats in the war to sink ships coming in/out of Britain.
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President Woodrow Wilson says, "The world must be made safe for democracy."
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US takes Russia's place in WWI and enters the war.
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The US requires every man ages 21-30 to register for the military draft.
