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.
Answer:
The desire to fight for power is an instinct.
Explanation: This is the answer because he is killing many things for not very good reasons. Therefore he is just killing for power.
Answer:
What is the question? and what are the lines
A and b are correct for this problem.