The thesis statement is usually the statement that presents the author's view or main idea of the subject.
Answer:

Douglass advocated equal justice and rights, as well as citizenship, for blacks. He begins his speech by modestly apologizing for being nervous in front of the crowd and recognizes that he has come a long way since his escape from slavery.
Answer:
As the angle of incidence increases, the angle of refraction also increases proportionally to the increase of incidence. plz brainliest!