What is the purpose of ancient myths?

a: myths provide scientific evidence for natural phenomena.
b: myths explain natural phenomena using stories about gods and heroes.
c: myths are informational texts about animals.
d: myths illustrate the political structure of ancient greece.

Four score and seven years ago our fathers brought forth on this continent a new nation, conceived in liberty, and dedicated to the proposition that all men are created equal. —"the gettysburg address," abraham lincoln which quotation correctly uses an ellipsis to shorten lincoln’s words?