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Causes Of US ENtry Into WWI

  • Assassination Of Archduke Franz Ferdinand

    On 28 June 1914, Archduke Franz Ferdinand of Austria,Emperor, and his wife, Sophie, Duchess of Hohenberg, were shot dead in Sarajevo, by Gavrilo Princip. Serbian military officers stood behind the attack so the World War One began once Austri-Hungary issued an ultimatum against Serbia ehich was rejected.
  • WW1 Begins & Us Reaction

    Austria-Hungary declared war on Serbia. Russia backed up Serbia ad Germany Stood behind Austri-Hungary. The United States under president Woodrow said the United States would stay NEUTRAL.
  • Sinking of the Lusitania

    A British ship that sanked in 1915 by the Germans, which included Americans.U.S citizens were angry and wanted to do something about it, tension was build. Woodrow told Germany they could not attack ships that had citizens of neutral countries.
  • Arabic Pledge

    Germany again with one of their U-Boats sank a ship that had 2 american citizens. This got Woodrow to threatn Germany into braking the Diplomatic relations, So Grmany gave the Arabic Pledge to give a 30 Minute warning to any non-armed ship.
  • Pancho Villa Raids Mexico

    Pancho Villa was rivals with the president of mexico at the time, Carranza, so Villa decidedto cross the New Mexico border and cause trouble with a raid killing 19 people and leaving the town in flames. Woodrow Wilson sent troops to capture Villa but was never succesful.
  • Sussex Pledge

    A pledge by the Germans in 1916 to the united states promising to change their naval tactics. Woodrow Wilson issues a warning that if Germany didnt stop using unrestriced submarine warfare the US would enter war.
  • Zimmermann Note

    Von Eckhardt a German sent a secret telegram to Mexico which offered Mexico US Territory if they joined forces. The British intercepted the telegram showed it to the US and the US joined the war an changed history
  • Resumption Of Unrestricted Submarine Warfare

    The Germans announced that they were going back to unrestricted submarine warfare which meant they were going to attack basically every ship to end the war faster. This caused the Uited Sates to enter the war.
  • Russian Revolution

    People go on strike over lack of food. The Russian people overthrew their Czar and in Came Vladmir Lenin making Russia the first communinst Country in the world.