3 Jun 2020

20th century of the USA


Iron Curtain


  • Non-physical boundary dividing Europe into two separate areas from the end of World War II in 1945
  • Later became a term for the 7,000-kilometre-long physical barrier
  • The Iron Curtain extended to the airwaves as well
  • Iron Curtain largely ceased to exist in 1989–90


Truman doctrine, policy of containment

  • Harry S. Truman established that the US will provide assistance to all democratic nations under threat
  • The Truman Doctrine arose on March 12, 1947
  • US was afraid of the Soviet Union influence on the Greek war
  • President Truman requested that Congress provide $400,000,000 worth of aid to both the Greek and Turkish Governments
  • Strategy of "containment" is preventing the spread of communism

Arms race



  • Occurs when countries increase the size and quality of military resources to gain superiority over one another
  • The United States didn’t notify the Soviet Union about the plan to drop an atomic bomb on Hiroshima
  • The start of the Cold War was in 1949, when the Soviets tested their own atomic bomb
  • The Cold War ended in 1991; however many argue the arms race has not

McCarthy era




  • Byname for defamation of character by means of widely publicized indiscriminate allegations
  • Sen. Joseph McCarthy of Wisconsin was constantly investigating various government departments and questioning innumerable witnesses about their suspected communist affiliations without any evidence
  • He failed to make a plausible case against anyone
  • The public turned against McCarthy, and the Senate censured him





Korean War

  • In August 1945, two young aides at the State Department divided the Korean peninsula in half along the 38th parallel
  • The Korean War began on June 25, 1950, when North Korean People’s Army poured across the 38th parallel
  • In July 1951, President Truman and his new military commanders started peace talks at Panmunjom
  • Nearly 5 million people died

Role of J. F. Kennedy








  • The 35th president of the United States, youngest U.S. presidents
  • Kennedy confronted mounting Cold War tensions in Cuba, Vietnam and elsewhere, provided federal support for the growing civil rights movement
  • In July 1963, Kennedy won his greatest foreign affairs victory in signing a nuclear test ban treaty
  • On November 22, 1963, Kennedy was struck twice, in the neck and head, and was pronounced dead shortly after arriving at a nearby hospital