Okay, so obviously nuclear weapons proved to be a threat that would possibly destroy the world. The Soviet Union and the United States build up a stockpile of nuclear weapons and used the fact that the world may be destroyed to keep the other country at bay.
Answer:
B
Explanation:
Process of elimination:
A cannot be the answer as Vietnam was not a British colony
B can be the answer as both Kenya and Vietnam suffered violent revolutions
C cannot be the answer as neither Kenya or Vietnam were abandoned by their overlords
D cannot be the answer as Vietnam and Kenya's independence movements were not stopped by civil war in those countries
B is the answer