ap us history

  • Chicago COnvention 1944

    The Convention establishes rules of airspace, aircraft registration and safety, and details the rights of the signatories in relation to air travel; it also exempts air fuels from tax. The Convention was signed by 52 states on 7 December 1944 in Chicago, Illinois, U.S., and came into effect on 4 April 1947.
  • Truman Doctrine

    The purpose of the Truman doctrine was to establish that the United States would support a democratic nation under threat from an internal or external authoritarian force. This support could include economic, political or military assistance.
  • McCarthyism

    The Army–McCarthy hearings were a series of televised hearings held by the United States Senate's Subcommittee on Investigations (April–June 1954) to investigate conflicting accusations between the United States Army and U.S. Senator Joseph McCarthy.
  • Korean War

    North Korea attacked South Korea igniting the Korean War. Cold War assumptions governed the immediate reaction of US leaders, who instantly concluded that Soviet Premier Joseph Stalin had ordered the invasion as the first step in his plan for world conquest.