Answer: D. 2 and 3
In this excerpt, we can see the friendship that has developed between a white and a black character. This inclusion is important, because it challenges various common stereotypes. The text shows that Southern society was complex, and not all white people were bad, just as not all black people were good. This approach was uncommon in abolitionist literature at the time. It also shows how slave owners and their slaves sometimes developed deep friendships.
This sentence would probably be a citation in APA style. Citations on research papers are very important since they give due credit to the original owner of the statement. Statements that don't have citations tells the readers that those statements are of the researcher/s alone which would be a problem for them if found out that it wasn't theirs to begin with. This would result to a work of plagiarism which is a grave sin in constructing research papers and is more equated with the act of stealing.
Answer: Niche
Explanation: A synonym for niche is calling. It is his calling for him to be a writer. Hope this helps !