The answer is B because none of the other answers are grammatically correct<span />
It is called the diction.
Angst, in writing, is like a dark story. One that has a sad, dark, etc. plot to it. On the other hand, tone is how a writer feel towards a topic.
The thesis is a discussion about the general picture of the world's political situation in the lights of human rights. It doesn't only concern Germany. It is not about the concentration camps, as well. The latter is an example to cast light today's situation. Since, Sasha has to give examples, these examples are related to ethnic and political differences. The correct answer is C.
