20世纪的美国

20世纪的美国思维导图，时间段分别是 1914-1918、1920s、1931-1945、1947-1991、1992-1998、1919.06.28，快来看看吧。

20世纪的美国

• 1914-1918
  • World War I
    • At the start
      • neutrality
    • 1917
      • enter the war
        • 3 reasons
    • 1918
• 1920s
  • 1929
    • stock market crashed
• 1931-1945
  • World War II
    • 1933
      • Great Depression
    • 1940
      • policy went changes
    • 1941.9.7
      • Pearl Harbor
    • 1944
      • Normandy
    • 1945
      • Germany
    • 1945.8.6/1945.8.9
      • two atomic bombs
    • 1945.8.14
      • Japan
• 1947-1991
  • the Cold War
    • 1947
      • Truman Doctrine
    • 1949.4
      • North Atlantic Treaty Organiazation
    • 1950-1953
      • The Korean War
    • 1954-1975
      • Vietnam War
        • Eisenhower
        • 1960
          • Kennedy
        • 1963
          • Johnson
        • 1968
          • Nixon
            • Diplomatic Breakthrough
              • China
              • Strategic Arms Limitation Treaty
            • 1972
              • reelection
            • 1973
              • signed an agreement to announce Vietnam War ended
            • 1974
              • Watergrate Scandal
    • 1980
      • Reagon
    • the Cold War
• 1992-1998
  • 1992
    • Clinton
  • 1993.11
    • NAFTA
  • 1998
    • turmoil
• 1919.06.28
  • Versailles Treaty