WORLD 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: -On June 27, 1950, the United States officially entered the Korean War. The U.S. supported the Republic of Korea (commonly called South Korea), in repelling an invasion from the Democratic People’s Republic of Korea (commonly called North Korea). The Korean War was a conflict that emerged after World War II.

Detailed explanation-3: -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-4: -Answer and Explanation: The United States became involved in the Korean War to stop the spread of communism in 1950.

Detailed explanation-5: -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.