I'd say the answer is C because that doesn't really narrow down what he is trying to write about. he needs a more complex question for research.
Answer:
Totalitarianism
Explanation: A system where the resources and land of a nation are controlled by a centralized authoritarian state that holds absolute political power, usually under a dictatorship or single political party.
Answer:
Continuity or rhyming.
Explanation:
Parallel structure has rhythm. "He was runn<em>ing</em>, bik<em>ing, </em>and skat<em>ing."</em>