Why is Chapter 8 of the Great Gatsby written the way that it is? Why is it less detailed compared to the rest of the book? How is it different?

because graet gatsby was written in the following sentences and that will be D

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.