Conflict is often used to propel the plot in a story and make things more interesting.
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.
It's pretty simple. You only need to focus on the reasons why people are homeless. Do they have good education? do they get better job? Or do they find ways inorder not to be homeless? Questions like that will help you determine why? and what can be the solutions inorder for them not to be homeless.
To be a good prince you have to put your people before anything
The correct answer is D. Conveying a mood, point of view, or opinion can be used to persuade an audience.