Answer:
The person doing the interview would be a secondary source, the historyian would be a primery source.
Explanation:
A good education is the trunk for a good life
A research paper is fact and nothing but the fact. A research paper is just giving information about a topic. However, rhetorical questions are used to persuade the reader to believe or agree with something, mainly in a discursive essay; but in a research paper, you aren't persuading, you are educating.