What was the motive and cause of the War of the Pacific?

I- The War of the Pacific was motivated by the expansionism of Japan.
II- The War of the Pacific was caused by the rivalry between Japan and the United States.
III- The War of the Pacific was motivated by the control of European colonies and American interests by Japan.
IV- The War of the Pacific was caused by the invasion of Poland by Germany.
a) I and II are correct.
b) II and III are correct.
c) I and III are correct.
d) III and IV are correct.