How do writers usually start their poems

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?

"as one of our outstanding historical figures once said, ‘when a great democracy is destroyed, it will not be because of enemies from without but rather because of enemies from within.’" (paragraph 7) how does this quote reveal mccarthy’s point of view and advance the purpose of his speech?

If you wanted to figure out a topic and some details about that topic you would want to use a ?