Answer:
A is wrong their is no reason for her to put comma before made and B is correct
Answer:
the paragraph describes the setting of the story
The crowd, because it identifies a group of people and still sounds like a singular noun.
Answer:
Internal.
Explanation:
The courage Drew had to work up is internal. If it were external, something outside of Drew would change. In this situation, his courage is purely in his brain, so internal.