They show how two parts of the sentence are related because a conjunction is the glue that holds words phrases sm clauses together
Brainstorming because brain storming is putting a word in the middle of a page and wrting different things about that word.
Because Ralph Waldo Emerson made a lecture that Dr.King refers to and he refers to it because it helps him for what he needs to do
Competitive and stubborn are the character traits of Jerry in "Through the Tunnel".