Ww1main 1

Causes of US Entry Into WW1

  • Assassination of Archduke Franz Ferdinand

    Assassination of Archduke Franz Ferdinand
    The Archduke Franz Ferdinand and his wife were shot in Sarajevo. They were shot by Serbians.
  • WWI Begins & US Reaction

    WWI Begins & US Reaction
    When the Great War began, the United States wanted to remain neutral. Woodrow Wilson wanted to remain neutral in thoughts and in deed.
  • Sinking of the Lusitania

    Sinking of the Lusitania
    German submarines torpedoed American ships killing many Americans. This angered many Amercians, but it was later found that the explosion was caused inside of the ship and not by the German ships.
  • Arabic Pledge

    Arabic Pledge
    Promise made by the German Empire during WWI to limit unrestricted submarines. However this pledge was borken in March 24, 1916.
  • Pancho Villa raids Mexico

    Pancho Villa raids Mexico
    Francisco Villa, better known as Pancho Vills, was one of the most prominent Mexican revolutionary generals.
  • Sussex Pledge

    Sussex Pledge
    A promise from Germany to the United States prior to the latters entry to the war that Germany would not torpedo any ships without warning.
  • Resumption of Unrestricted Submarine Warfare

    Resumption of Unrestricted Submarine Warfare
    German submarines attacked merchant ships without warning.
  • Zimmermann Note

    Zimmermann Note
    Arthur Zimmermann, secretary of Germany, proposed a secret alliance with Mexico. This note promised Mexico they will gain back Texas, New Mexico, and Arizona if Mexico started war with the US.
  • Russian Revolution

    Russian Revolution
    A group called the Bolsheviks were a group of Russians who wanted change by throwing out the reging czar.
  • "He kept us out of war"

    "He kept us out of war"
    This qoute was on Woodrow Wilson's slogan to appeal to those voters who anted to avoid a war in Europe or with Mexico.