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Archduke Ferdinand and his wife Sophie were shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital.
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President Woodrow Wilson proclaimed the neutrality of the United States of America.
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The Lusitania was torpedoed by a German U-boat. The Lusitania was carrying American passengers and was warned many times not to depart.
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The Zimmerman note was a telegram sent to the United States from Mexico saying that they would give us territory to Mexico if we joined the German cause.
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The American troops (Doughboys) entered in Europe in June 1917.
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President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany.
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President Wilson established the CPI through Executive Order 2594. It was the first state bureau covering propaganda in the history of the United States.
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The Selective Service Act authorized the United States federal government to raise a national army for service in world war 1 through conscription.
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The Espionage Act prohibited obtaining information, recording, and copying descriptions of any information relating to the national defense. This was so information would not be used for hurting the United States of any foreign nation.
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The 14 points was a statement of principles for peace that was to be used for peace negotiations in order to end World War 1.
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This was the last time the Germans would mount an offensive on the Western Front in World War 1.
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This was a meeting of allied powers following the end of World War 1 to set the peace terms for the defeated Central Powers
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The senate rejected a peace treaty and a group of Democratic senators joined the irreconcilables to defeat the treaty.
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This was when the Germans surrendered from World War 1.