Answer:
D
Explanation:
He was unprepared after pearl harbor, so he was going into the war with less battleships and he hadnt been preparing for war.
Pachacuti was the king of Cusco. He would start the conquests capturing territory to the north around 1493. His son, Tupac Inca Yupanqui, would continue the conquests in 1471, after his father's death. He would conquer the territory to the south.
Allowed for echolocation and underwater discoveries such as study of marine life