Answer:
C. The question explores various sides of an issue.
Explanation:
In writing it's important that you understand both sides of your topic. So, if there were various sides to your research question, it would theoretically be easier to write.
The correct answer is A. Kent State shootings were about the protests towards Cambodian Campaign, after which 4 students were killed and 9 injured when the Ohio State police wanted to stop the protests. This incident led to closing of many universities and demonstrations throughout America.