Korean War Notes

The Korean War

  • The Korean War began in June 1950 when communist North Korea invaded U.S.-backed South Korea.
  • The U.S. believed the Soviet Union engineered the invasion and took swift countermeasures.
  • The U.S. adhered to its policy of containment, aiming to prevent the spread of communism in Asia.
  • The Korean War became the first proxy war of the Cold War.
  • In October 1950, Chinese troops (Chinese People’s Volunteer Army - CPV) assisted North Korea.
  • Communist forces pushed American and South Korean troops back to the 38th Parallel, the original border.
  • U.S. commander Douglas MacArthur advocated for an all-out confrontation with China to overthrow the Communists.

Contextualization: U.S. Policy in Asia at the Beginning of the Cold War

  • Three main issues dominated U.S. policy in Asia:
    1. Reconstruction of Japan:
      • After WWII, the U.S. occupied Japan, and its colonies were divided.
      • The U.S. controlled Pacific Islands and the southern half of Korea, while the USSR controlled the northern half of Korea.
      • Under General Douglas MacArthur, Japan adopted a democratic constitution, demilitarized, and experienced economic revival.
    2. The Chinese Revolution:
      • The U.S. supported Chiang Kai-shek’s Nationalist government against Mao Zedong’s Communist insurgents during China’s civil war.
      • Mao took control of China in 1949, and the Nationalists were exiled to Taiwan.
      • Many Americans blamed Truman and the Democrats for the "fall" of China, believing it shifted the Cold War balance toward communism.
      • The U.S. and other United Nations powers continued to recognize Chiang as the rightful leader of China, despite his exile.
      • For decades, the U.S. refused to recognize the legitimacy of Mao’s regime.

President Harry Truman’s Statement on the Situation in Korea, June 1950

  • Truman compared the North Korean invasion to past aggressions by Japan, Italy, and Germany.
  • He stated that if the Communists were allowed to invade the Republic of Korea without opposition, it would embolden communist neighbors to threaten and commit acts of aggression against small nations.
  • The United Nations Security Council denounced the North Korean move and authorized the formation of the United Nations Command.
  • The UN dispatched forces to Korea to repel the invasion.
  • Twenty-one countries contributed to the UN force, with the United States providing approximately 90% of the military personnel.
  • Truman aimed for the reunification of Korea after initial military successes.
  • American troops attacked North Korea under the United Nations umbrella, provoking China.

Limited vs Total War

  • Truman's administration and the U.N. opted for a "limited war" to avoid conflict with China.
  • They feared broader conflict if China was attacked and worried about potential USSR reactions in Europe or Asia.
  • Truman announced that nuclear weapons would not be used.
  • The UN forces aimed to restore the original border and establish a peaceful resolution.

General MacArthur Presents his Views to Congress (April 10, 1951)

  • MacArthur advocated for applying every available means to achieve a swift end to the war.
  • He believed military necessity required:
    • Increasing economic blockade against China.
    • A naval blockade against the Chinese coast.
    • Removing restrictions on air attack on China.
    • Removing restrictions on forces against the Chinese mainland.

President Truman Explains the Need for Limited War (April 11, 1951)

  • Truman sought to prevent a world war and avoid a full-scale conflict with Communist China.
  • He argued that using atomic bombs on Manchuria and China would carry a grave risk of escalating the conflict and benefiting the Soviet Union.
  • When MacArthur started publicly criticizing President Truman, Truman fired him for insubordination.

Armistice and Aftermath

  • *armistice = an agreement made by opposing sides in a war to stop fighting for a certain time; a truce.
  • Dwight Eisenhower won the 1952 election promising to visit Korea and negotiate a ceasefire.
  • Eisenhower threatened to use atomic weapons, leading to a ceasefire signed on July 27, 1953.
  • A Military Demarcation Line was established, and both sides withdrew two kilometers to create a Demilitarized Zone (DMZ).
  • The DMZ served as a buffer zone to prevent hostilities.
  • The border remained at the 38th parallel, the pre-war dividing line.
  • The DMZ is a 2.52.5 mile wide by 155155 mile long territory on the 38th parallel, with continued tension and occasional conflicts.
  • The American public viewed the war as ineffective and costly.
  • The war resulted in catastrophic human costs, including extensive bombing.
  • Curtis LeMay described the devastation, including the burning of towns in both North and South Korea with Napalm bombs.
  • *napalm = a firebomb gel mixture that clings to whatever it touches, creating a hotly burning area around the target.