The answer is: first-person.
The first-person point of view allows readers to get to know the character's feelings, thoughts and drives. In that respect, the writer uses words such as I, my, mine and me.
In "Two Kinds," the author Amy Tan tells her story and makes use of the first-person point of view so that readers can identify with her and see the story through her eyes.
Sentence 4.
The paragraph is about King's march on Washington. Sentence 4 adds extra information about what happened during his second march that is interesting but not necessary for the paragraph's purpose.
The group's rise was fast, but so was its fall.
Because to grow crops and take care of civilization.
