Why Did the Usa Become Involved in the Korean War in the Years 1950-53?

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Why did the USA become involved in the Korean War in the years 1950-53? The Korean War was fought between the communist North and the anti-communist South. It began when the Korean People’s Army (KPA) crossed the 38th parallel to begin the invasion of the South in June 1950. The United States was very worried about the spread of communism and believed that the Soviet Union was directly involved and so, with UN approval, got involved in the war effort. There are numerous reasons as to why they became so heavily involved. The main reason that the USA got involved was because of their new foreign policy; the containment of communism. It was part of the Truman Doctrine and stated that the aims were to work with their allies to contain the spread of Soviet and Chinese communism using political, economic and (if necessary) military pressures. According to the US, the loss of South Korea to communism could lead to a domino effect of other Asian countries, including Japan, falling to the regime which would be incredibly disastrous. In 1950 President Truman used the Korean War as a way to sell the NSC 68 program which stated that the States needed to increase their army to put it on par with the Soviet Union. Another reason the USA became involved in Korea was due to domestic pressure from the Republican Party. The Democrats were being accused of being too soft on communism and two major Cold War events gave the Republicans a strong argument. In 1949, the Soviets successfully tested their first atomic bomb which Americans hadn’t predicted would happen until sometime in the 1950’s. Later that year, Mao Zedong’s communists were victorious in the Chinese Civil War and this was seen by many as the fall of China that the Democrats failed to be tough on. Truman’s job was made even more difficult due the Republican senator Joe McCarthy making wild and crude accusations of
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