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President Wilson announces the US as neutral to protect investments
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Germans promise to stop using U-boats
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Germany uses U-boats to attack a British boat called the Lusitania and kills 128 Americans
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Germany proposes an alliance with Mexico if they declare war with the US
day not specified -
Uses submarine warfare again
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The Russian Revolution overthrows Czar and is changed into a republican government
(day not specified) -
Sends 1st units to France under General Pershing
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(day not specified)
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US senate rejects the treaty and membership in the League of Nations