Read the passage from the gettysburg address by abraham lincoln. it is rather for us to be here dedicated to the great task remaining before us—that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion—that we here highly resolve that these dead shall not have died in vain . . what does abraham lincoln propose the audience do to ensure that the men who lay dead at gettysburg shall not have died in vain? (a) make the battlefield at gettysburg a national park (b) hold annual memorial services to commemorate the dead (c) continue to fight for the preservation of the union