The North people wanted to block south seaports to gain control of the Mississippi River to control transportaion and cut the South in two, and to capture Richmond. The South's plan was simpler southerners planned to defend their territory until the northerners tired of fighting.
"<span>D. He assisted in the defeat of the Aztec empire" is the best option from the list, since he was sent by his home country of Spain to find and pillage resources such as gold. </span>