Answer:
He referenced it because it helped him prove his point and that the nations values that they where built on where not in jeopardy.
Explanation:
You would C., begin the research process a second time, because DEFINITELY in a research paper/topic you need the MOST information, facts, and details about your topic to really inform as much as possible to your readers about your topic! If it's a lil relevant and too general to give specific support, that shows you need to rewrite your paper, as you may get scored poorly as it does not sufficiently answer the prompt.
I hope I helped! ;-;
