1900 - 1920

  • Theodore Roosevelt becomes President

    Theodore Roosevelt becomes President
  • Roosevelt Corollary to the Monroe Doctrine

    Roosevelt Corollary to the Monroe Doctrine
    The Roosevelt Corollary to the Monroe Doctrine justified the United States intervention of the hemisphere. The Monroe doctrine however stated that the U.S. should not interfere in European affairs. In the end, both of these documents wanted to keep the United Stares isolated from war.
  • Period: to

    Panama Canal built

    Connects the Atlantic Ocean and Pacific Ocean. It's length is 50 miles long.
  • Election of Woodrow Wilson

    Election of Woodrow Wilson
  • Period: to

    World War I

    Began after the assassination of Archduke Ferdinand.
  • Sinking of the Lusitania

    Sinking of the Lusitania
    German U-boat sunk the Lusitania, bringing the United States into World War I.
  • "Red Scare"

    "Red Scare"
    Widespread fear about the spread of communism.
  • Eighteenth Amendment

    Eighteenth Amendment
    This Amendment prohibited alcoholic beverages in the United States.
  • Nineteenth Amendment

    Nineteenth Amendment
    Gave women the right to vote.