Considering how Chapter 1 of The Call of the Wild relates to Chapter 7 would be an example of a study of the:
context in which the novel was written
Internal conflict in the novel
external conflict in the novel
structure of the novel

for this, you need to remember something significant in your own life, for example, if you were bullied when you were younger, you can mention your memories on this and touch on how such treatment can harm other kids your age either physically or mentally. (racism, car crashes, a parent in the hospital are all very good subjects, think hard on it! )

hope i ! : )

its repetition emphasizing that the chain is his own. sorry if i am wrong.

the answer is a (apex)