The main idea is found by looking at the general idea of the text you are reading, what is it about? What does it mention?
At the bottom of the lake buried
Declarative: I went home.
Exclamatory: I love you!
Interrogative: What's your name?
The best option would be C. Peace activist : war.
Abolitionist is same as peace activist. Slavery is similar to war.
The word incontrovertible is positive.
