Lincoln quotes that the “nation will perish”, the “nation can long endure” and the “nation might live”. The repetition that the nation might end makes the audience worried for what is to come if there is no change. The purpose of his speech is to demand a fight for the North.
Martin Luther quotes “I have a dream” multiple times which makes the audience see what he wants the nation to become. His dream is that one day is that everyone will be equal and not