Explain how the nazis and khmer rouge each rose to power

i beleive its 1)aids

there are many answers to this question, such as a diplomat, ambassador, soldier, united nations employee, cia, etc.

the colonial period, since this was a time of mass immigration from a variety of people from europe.

the answer is d because for c the actors can't love acting for the other's audience their not even in the same show, it can't be b either because the question is talking about the actors not the audience, and it can't be a because   it's not specific enough