How did Japan’s victory in the Russo-Japanese War affect the United States?
A.
The United States gained an important trade partner and military ally in the region.
B.
Russia’s loss endangered the Alaska Purchase and the existing Open Door policy in China.
C.
Japan’s victory on the mainland cleared the way for the United States to acquire Pacific islands.
D.
The rise of Japanese power in East Asia encouraged the United States to expand its naval resources.