Answer:
Containment Policy
Explanation:
Under the policy of containment, developed at the beginning of the Cold War, the United States' primary foreign policy goal was to stop the spread of Soviet influenced communism.
Vietnam was, as its core, a war to stop communism from spreading.
I think it’s A I don’t know I’m also learning about this but I’m not sure
They relied on help from volunteers to serve in the army
True, the number of Representatives depends on the population of a state.