Question

Was the main cause of the United States' involvement in the Korean War?

the fear that allowing Korea to fall to communism would cause other countries to become communist as well
the desire to acquire resources and fishing markets that were lacking in the United States
the desire to prevent Japan from forcing democratic rule upon Korea, a communist nation
the fear that Korea was attempting to build a nuclear bomb

Answer 1

The main cause of the United States' involvement in the Korean War was the fear of communism spreading

Step-by-step explanation:

The main cause of the United States' involvement in the Korean War was the fear that allowing Korea to fall to communism would cause other countries to become communist as well. The war was seen as a crucial battle in the containment policy of the United States against the spread of communism, known as the domino theory. The United States believed that if they didn't intervene, more countries in the region would fall to communism, threatening U.S. interests.

Learn more about United States' involvement in the Korean War