Well in the intro you need a thesis at the end which is your resons for the essay. Well yes you do for the conclusion because your concluding.
Independent is the answer
Hope I helped
The thing that happen between chapter 21 and chapter 22 is the tone permanently changes to a more cynical attitude and this is the significant structural shift. The answer to this question is which asking about what happen between chapters 21 and 22 is that the tone permanently changes to a more cynical attitude.
I believe the answer would be D.