What did Confederate General Robert E. Lee hope to accomplish at the Battle of Gettysburg?
A.
He intended to gain control of waterways to allow reinforcements to reach the North.
B.
He sought to weaken Northern support for the war by invading Union territory.
C.
He hoped to limit Union access to the ports it relied on for receiving supplies.
D.
He wanted to prevent Union soldiers from retreating toward the American West.