Question

Why did the United States get involved in the Korean War?

A. The United States wanted to help Great Britain since it was its ally.
B. The North Korean army had directly threatened the United States.
C. The United States felt threatened by the rise of communism in China and Asia.
D. Communist North Korea had shown aggressive actions toward Japan and China.

Answer 1

C. The United States felt threatened by the rise of communism in China and Asia.

Step-by-step explanation:

The United States did not want communism to spread and cause a domino affect on other countries. The domino affect was that other countries would also turn communist after one country fell to communism.