In “the gettysburg address,” president lincoln makes the claim that the civil war is a war worth fighting. how does he develop or refine this claim in each of the paragraphs? how does the structure of the speech contribute to his argument? ? !

Students write a brief essay on the structure of Lincoln's argument ... Now we are engaged in a greatcivil war2, testing whether that nation, or ... After listening, students re-read the first paragraph of the Gettysburg Address  “dedicated to the proposition that all men are created equal”: what does it ... dedicated to a claim

Ithink it's a. but i could be wrong because it might be b. but it's not the other two