How did the domino theory affect US policy in Vietnam?

Question

A.
It led directly to United States involvement in a Vietnamese civil war.

B.
It led directly to the United States' decision to pull its combat forces out of Vietnam.

C.
It led the United States to insist on a coalition of allies to back them up as they fought the war.

D.
It led the United States to hope that if North Vietnam became a democracy, other countries would follow.

Answer 1

The correct answer is:

A. It led directly to United States involvement in a Vietnamese civil war.

The domino theory was a significant factor in U.S. foreign policy during the Cold War, particularly in relation to Vietnam. It posited that the fall of one country to communism would trigger a chain reaction, causing neighboring countries to also fall. This belief prompted the U.S. to intervene in Vietnam to prevent the spread of communism within Southeast Asia, leading to significant military involvement in the Vietnam War.