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  Archduke Ferdinand was assassinated in Sarajevo, Bosnia. He also happened to be the heir to the Austro-Hungarian Empire which then triggered World War.
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  President Wilson gave a speech about how the United States should remain neutral during the first World War.
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  The Lusitania had torpedos shot at it without warning by a German submarine. It sank within 20 minutes and of the 1,959 passengers and crew 1,198 of them drowned.
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  The telegram from Germany to Mexico was intercepted by the British.
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  America joined the fight against Germany in WWI
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  The telegram from Germany to Mexico was intercepted by the British
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  Wilson created the Committee on Public Information to promote the war domestically why 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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  Act passed shortly after the U.S. entered World War I. It was intended to prohibit interference with military operations or recruitment to prevent insubordination.
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  President Wilson proposed a 14 point program for world peace.
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  This battle was the last major German offensive on the Western Front during World War I.
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  The agreement that ended the fighting on the Western Front.
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  This was the meeting of the victorious allied powers following the end of World War I to set up peace terms.
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  This treaty ended the state of war between Germany and the Allied Powers.