In this excerpt from "The Raven" Edgar Allan Poe uses the rhyme of the words "rapping” and "tapping” to create a persisting and yet unknown sound that keeps disturbing the speaker, he keeps hearing this knocking at his chamber and cannot discover what is producing it, this way is able to create mystery in the scene.
Allen states that since freedom of conscience and expression si in the First Amendment of the Constitution, then it is of the most importance to Americans.
