Answer:
Option D.The author's attitude toward a subject.
Explanation:

The answer is D a person who put is on a positive performance under pressure
Gerrymandering is a process of gaining political advantage. It is achieved by manipulation of electoral using certain tactics. Therefore, gerrymandering can thwart the purpose of single-member district elections because districts will favor one political party over another in this case.
Answer:
the 2nd answer.
Explanation:
Main goal iof a biographer s to describe (objetively) a life of a specific person, so the right answer is the second one.