Answer:
In June 1950 communist North Korea invaded South Korea. 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.
Explanation:
Answer:
To stop the spread of communism
Explanation:
The US help South Korea in the war because the north was trying to convert the south into communism.