Answer:
C. To persuade readers that women deserve the right to vote
Explanation:
The paragraph is from History of Woman Suffrage, Volume I this mean that c is the only possible choice
It would be First Person.
Since First Person is telling a story in the eyes of one of the characters and uses the pronouns I, me, my, we, us, etc it let's you get a feel for the character a little more than you normally would in any other type of writing style.