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The assassination of Franz-Ferdinand set off a chain of events in Austria-Hungary where they blamed the Serbian government for the attack and hoped to use the incident as justification for settling the question of Slav nationalism.
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The U.S. wanted to distance itself from European political entanglements so Wilson in a public appeal announced that the United States "must be neutral in fact as well as in name."
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Less than a year after World War I, a German U-boat torpedoed and sank the RMS Lusitania but the sinking of the Lusitania changed public opinions against Germany. The U.S. would then enter into World War I two years later.
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The telegram was intercepted by British intelligence which later led Congress to deliver a message of war and entered into war four days later.
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Wilson created the Committee on Public Information (CPI) to promote the war domestically while publicizing American war aims abroad.
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The Selective Service Act authorized the United States federal government to raise a national army for service in World War I.
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The Espionage Act is a United States federal law that was passed shortly after the U.S. entered into World War I.
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The Fourteen Points was a statement of principles for peace that was to be used in order to end World War I.
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The Second Battle of Marne was Germany's final offensive push of World War I.
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U.S. infantry troops land in France at the port of Saint Nazaire to fight along the Western Front.
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The Paris Peace Conference was a meeting of Allied Powers following the end of World War I to set the peace from the defeated Central Powers.
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The Senate rejected the Treaty of Versailles and the U.S. would never ratify the treaty or join the League of Nations.
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WW1 ended with the surrender in Compiegne.
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President Franklin Roosevelt declares war against Japan.