Causes of US Entry into WWI

  • Assasination of Archduke Franz Ferdinand

    Assasination of Archduke Franz Ferdinand
    Archduke Franz Ferdinand, is shot along with his wife by a Serbian nationalist in Sarajevo, Bosnia.
  • WWI Begins & US Reaction

    WWI Begins & US Reaction
    The president, Woodrow Wilson, refused to take sides and remained neutral both in deed and in thoughts. The US wanted to remain neutral towards the Great War that recently struck out.
  • Arabic Pledge

    Arabic Pledge
    The Arabic pledge was a promise made by the German Empire during World War I to limit unrestricted submarine warfare.
  • Sinking of the Lusitania

    Sinking of the Lusitania
    German submarines torpedoed the US's ships, injuring and killing many Americans that were on board. American blamed the Germans, but it was later diagnosed to come to the conclusion that the explosion came from inside the ship. Not the German's fault.
  • Pancho Villa raids Mexico

    Pancho Villa raids Mexico
    Villa's men ruthlessly hauled 16 young American mining engineers off a train traveling through Northern Mexico in Jan 1916 and killed them. A month later, Billa and his followers , hoping to provoke a war between wilson and carranza blazed across the boarder into Colommbus, New Mexico and killed 196 Americans.
  • "He kept us out of war"

    "He kept us out of war"
    Woodrow Wilson's words to gain the vote of those that wanted to avoid a war with Europe or Mexico.
  • Sussex Pledge

    Sussex Pledge
    The Sussex pledge was a promise made in 1916 during World War I by Germany to the United States prior to the latter's entry into the war.
  • Resumption of Unrestricted Submarine Warfare

    Resumption of Unrestricted Submarine Warfare
    The use of unrestricted submarine warfare was announced by Germany on January 9th, 1917. The use of unrestricted submarine warfare was to have a major impact on World War One as it was one of the main reasons why America joined the war.
  • Zimmermann Note

    Zimmermann Note
    German foreign secretary Arthurt Zimmermann had secretly proposed a German - Mexican alliance, tempting Mexico with veiled promises of recovering Teas, New Mexico, and Arizona.
  • Russian Revolution

    Russian Revolution
    The Russian Revolution took place in 1917, during the final phase of World War I. It removed Russia from the war and brought about the transformation of the Russian Empire into the Union of Soviet Socialist Republics (USSR), replacing Russia’s traditional monarchy with the world’s first Communist state.