A set foundation of rules, ways of knowing (prayer), and a source of security (God).
Answer:
U.S. troops aided South Korea with support from the U.N.
Explanation:
The US troops helped with the defense of Pusan, and injected an invasion force into Incheon, which effectively cut off all supplies to the North Korean Army, and led to a complete rout to the border of China.
A or b there is no wrong answer