Not necessarily, it all depends on the schools that require it
Answer:
Hypothesis
Explanation:
A supposition or a supposed explanation made on the basis of no evidence
We need the article in order to help and help you get it right
The purpose of sending troops to Vietnam was to prevent Vietnam from becoming a communist state- much like the neighbouring China did. The US feared the domino effect in which more and more neighbouring states become communist.
This policy was called the containment policy (the answer is B) - communism were to be contained.