World War I

  • Assassination of Franz Ferdinand

    a Serbian nationalist assassinated Ferdinand and threatened to go to war
  • Sinking of the Lusitania

    torpedoed by German U-boat; 1200 died including Americans, angering many Americans
  • Zimmerman Telegram

    telegram asked Mexico to attack the U.S. if the U.S. declared war on Germany
  • Bolshevik Revolution

    forced Czar Nicholas II from power and replaced him with a new republic
  • Selective Service Act

    draft of young men for military service 21-35 years old
  • Espionage Act of 1917

    obtaining or delivering information relating to national defense to a person who was not "entitled to have it"
  • Entry of American Expeditionary Force

  • Fourteen Points

  • Sedition Act of 1918

    forbade the use of "disloyal, profane, scurrilous, or abusive language" about the United States government, its flag, or its armed forces or that caused others to view the American government or its institutions with contempt
  • Schenck v. United States

  • League of Nations

    provide a place where countries could talk about differences rather than go to war
  • Return to Isolationism