United States involvement during the Cold War began with the Korean War. The War started on June 25, 1950 when troops from North Korea entered the 38th parallel, which was the boundary established after World War II between North Korea and South Korea. The North was supported by the Soviet Union and People’s Republic of China while the South was later supported by the U.S and its allies. Their attack was one of the first military measures of the Cold War (“Korean War”). Once North Korea invaded South Korea, U.S. involvement took place to prevent further communist regime and their involvement aided in several military developments and also left lasting political and diplomatic affects during the Cold War.
U.S. participation was centered on America’s foreign policies at the time. Although the War did not break out until June of 1950, several conflicts brewed over the attempt to take over the entire nation under one rule for several years after World War II. The majority of these conflicts took place at the 38th parallel where Korea was split. Decisions influenced by President Harry S. Truman and his doctrine, which was essentially the policy to contain the spread of communism, gave the United Nations an opportunity to prevent global domination through communism (“Teaching with Documents”). The fear of international communism from the powers of The Soviet Union and People’s Republic of China was the main reason that caused the United States to intervene.
In addition to the prevention of communism, President Truman’s decision was also influenced by the apprehensive environment during The Cold War. The Soviet Union was able to ruin the United States as the monopoly of nuclear bombs in 1949 when they successfully detonated their first atomic bomb (“The Cold War Museum”). This raised a flag that The Soviet Union was becoming more powerful and with the Korean War under way President Truman had to take action to prevent them from gaining any more power. Not only was this a threat to the United States, but “The Truman administration faced criticism from Republicans who claimed he had "lost" China”, in 1949 (“Teaching with Documents”). President Truman was pressured to be assertive against the issue of “communism” and was “interested in shoring up [his] anticommunist credentials, the Truman administration [eventually] found itself defending a nation a world away from U.S. soil” (“Teaching with Documents”).
Throughout the course of the Korean War many military developments took place. Methods of medical treatments and transportations were developed and military forces expanded. During the war medical treatments were aided by The Mobile Army Surgical Hospital unit or MASH (Baker). It provided emergency care to wounded soldiers from the battlefield instead of having the wounded transferred to the surgeons. Through the ease of convenience in early treatment, the MASH unit became the main method of treatment and also helped lower the death rates of the...