Early Cold War

  • United Nations Formed

  • 22nd Amendment

    Prohibits anyone who has been elected president twice from being elected again
  • Truman Doctrine

    U.S. policy that gave military and economic aid to countries threatened by communism
  • Berlin Airlift

  • Marshall Plan

    Program to help European countries rebuild after World War II
  • NATO established

  • Big Five

    Containment The action of keeping something harmful under control
    Arms Race/ Space Race A competition between nations for superiority in the development and accumulation of weapons.
    The Union of Soviet Socialist Republics Former communist country in eastern Europe and northern Asia
    Communism Political theory derived from Karl Marx, leading to a society in which all property is publicly owned
    Domino Theory political event in one country will cause similar events in neighboring countries
  • Period: to

    Korean War

  • Rosenbergs Trial

  • First H-Bomb detonated by the United States

  • Jones Salk invents the Polio Vaccine

  • USSR launches Sputnik