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.
Try you best and look it up
but also yhu could just do what i do and just look at what it saids and reread it
Answer:
.Either these two they are good online and free programs.
AP Environmental Science From the Florida Virtual School.
AP Government From the Florida Virtual School.
Explanation: