4. Containment - the process of not letting communism spread to other countries Containment Song

7. N. Korea decided to cross the 38th parallel U.S. came to the aid of South Korea US and S. Korean troops retreat to southern Korea to gain time despite having to give up land to N. Koreans US and S. Koreans moved northward by starting with a victory at Pusan Headed North to take control of Seoul and give back to the people of South Korea.