USA HISTORY

Detailed explanation-1: -The United States came to the aid of South Korea at the head of a United Nations force composed of more than a dozen countries. Communist China joined North Korea in the war in November 1950, unleashing a massive Chinese ground attack against American forces.

Detailed explanation-2: -Concerned that the Soviet Union and Communist China might have encouraged this invasion, President Harry S. Truman committed United States air, ground, and naval forces to the combined United Nations forces assisting the Republic of Korea in its defense.

Detailed explanation-3: -When the Korean War broke out in June 1950, the UN intervened by sending armed forces mandated by the Security Council Resolution 82. It was the first undertaking of its kind in the history of the UN. Almost 70 years after the Korean armistice, the UN Command still maintains its presence on the Korean Peninsula.

Detailed explanation-4: -On June 27, 1950, President Harry S. Truman announces that he is ordering U.S. air and naval forces to South Korea to aid the democratic nation in repulsing an invasion by communist North Korea.