Answer:
he theory proposed that a communist takeover over of one country would quickly lead neighboring countries to fall to communism, like dominoes falling in succession. Cold War foreign policy was enveloped in the domino theory, which led to policies like containment, the Marshall Plan and the wars in Korea and Vietnam.
In fact, the American failure to prevent a communist victory in Vietnam had much less of an impact than had been assumed by proponents of the domino theory. With the exception of Laos and Cambodia, communism failed to spread throughout Southeast Asia.
Explanation:
