The answer is A, cause/effect. Marcia is focusing on how the war started, what ended it, and how it affected America. Cause/effect covers all these things, while the other answers either skip over these things completely or concentrate on only a few.
Answer:
2
Explanation:
because that makes the most sense
2 and 3, that’s my answer
Seems to be slow pacing. Seems like they don’t want to move at all.