Read the excerpt from abraham lincoln’s gettysburg address. four score and seven years ago, our fathers brought forth upon this continent a new nation: conceived in liberty, and dedicated to the proposition that all men are created equal. now we are engaged in a great civil war. .testing whether that nation, or any nation so conceived and so dedicated. . can long endure. what is this excerpt about to recall the names of famous national leaders to suggest the need for a new government to emphasize the nation’s beliefs and ideals to demand an end to the civil war