Answer :
"B). the fear among U.S. policy makers that if communism succeeded in Vietnam, it would sweep through the rest of the region" is correct. This theory was at the core of the idea of containment.
Answer:
"B). the fear among U.S. policy makers that if communism succeeded in Vietnam, it would sweep through the rest of the region" is correct. This theory was at the core of the idea of containment.