Causes of US Entry Into WWI

  • Assassination Of Archduke Franz Ferdinand

    Assassination Of Archduke Franz Ferdinand
    Archduke Franz Ferdinand and his wife Sophie were targets of attack by Austria- Hungary and were both killed. This led to the beginning of the Great War.
  • WWI Begins & US Reaction

    WWI Begins & US Reaction
    This erupted in Europe, President Wilsonbelieved US should be neutral. Until Germany forced the US into the war.
  • Sinking Of The Lusitania

    Sinking Of The Lusitania
    British ship with passangers. Germany fired and sunk the ship. American citizen died. President Wilson decided to remain neutral, where as President Roosevelt wanted to take action immediatly.
  • Arabic Pledge

    Arabic Pledge
    British torpedoed by a german-u boat. 40 people died and 2 were americans. President Wilson protested against German ys unrestricted submarine warfare pledge that non military ships would be warned 30 minutes before they were attacked.
  • Pancho ViIlla Raids Mexico

    Pancho ViIlla Raids Mexico
    Germany supplied him with weapons so that way the u.s would be so busy with mexico they won't get involved.
  • Sussex Pledge

    Sussex Pledge
    Germany issued the pledge to appease the U.S. Germany guarnteed to not target passanger ships and merchant ships, and would not be sunked until weapons were in board allowing passangers to be safe. January 1917 germany diregarded the pledge.
  • "He Kept Us Out Of War"

    "He Kept Us Out Of War"
    Campaign slogan President Wilson used for his re-election.
  • Zimmerman Note

    Zimmerman Note
    German secratary Arthur Zimmerman had secretly proposed a German-Mexican alliance. Tempting anti-mexico with veiled promises of recovering Texas, New Mexico and Arizona. He sent a coded message to Mexico.
  • Resumption Of Unrestricted Submarine Warfare

    Resumption Of Unrestricted Submarine Warfare
    German Kaiser signed an order to resume unrestricted submarine warfare, be effective on Febuary 1st.
  • Russian Revolution

    Russian Revolution
    First revolution emperor Nicholas II was forced out of provisional government and placed in imperial parliament.