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Archduke was paying a visit to Sarajevo when he was assasinated by a Serbian nationalist. His assasination was what began the war.
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When WWI broke out US declared neutrality, meaning it would take no sides, that it would maintain traiding right with countries on both powers. Sending an issue with Great Britain & the Germans created a blockade and attacked US mercahnt ships.
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It allowed armed merchant ships - but not passenger ships - to be torpedoed without warning
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A promise made by the German to the US to give passengers at least a 30 minutes warning before sinking non-military ships
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German Walter Schwieger captain of the submarine U-20, sank the British RMS Lusitania, by firing a torpedo on it’s starboard side, which was followed by another explosion which was larger than the first one. The Lusitania sank within 20 minutes. Not many survived.
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Pancho Villa led an army across the border to stage a brutal raid in the small town of Columbus, NM. Killing 19 people, and leaving the town in flames.
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A promise made by the Germans to the US, which Germany aggred to warn all ships before any German U-oats came across for the saftey of passengers and crews.
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Wilson's slogan, which helped secure Wilson's reelection in 1916, Wilson's slogan in 1916 reminded the public that they weren't entangled in WWI.
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Foreign Secretary of German Empire, Arthur ZImmermann sent a coded telegram to the ambassador of Mexico to enter the conflict of the event, but the note was intercepted and decoded by the British intelligence. It outraged the American public and help generate support for the US to declare war against Germany.
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Revolution against the Czarist government which led to the abdication of Nicholas II and the creation of a provisional government.
