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Germany uses u boats to sink all ships
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A serbian teenage nationalist guns down Franz Ferdinand
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ww1 begins
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Germans sank Lusitania that was a civilian ship carrying americans on board
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first battle of WW1
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Ships travel in packs for a greater chance of survival
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Wilson re-elected
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Germany tells Mexico to declare war on Germany
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us declares war on germany
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A compulsory enlistment of men to join the army
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People are not allowed to speak freely during wartime
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Russia has a revolution and is forced to leave war
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A extremely dangerous type of Influenza
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A speech made by Woodrow Wilson
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designed to protect america's participation in ww1
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It ended the fighting on the western front
