Answer: When you figure out the main idea, you can then see how the author addresses it. If they have a bias opinion against, or for it, you can note their ton when the speak about it. Knowing the main idea, can help show why the author is writing about it, and how they feel about it as well.
Explanation: Hope it helps :)
Faustus started learning magic, because he felt that medicine, theology, or the law could do anything for him, or at least what magic could do for him.
A because the US gave millions to help aid the west berliners
The killers view their victims as children. The victims we're four children and traveled as a group after finishing their sunday lessons. The children had gone to the basement and wanted to change into choir clothes and they we're killed.