What were the effects of the Russo-Japanese War? Check all that apply.

Japan was viewed as the most powerful nation in East Asia.

Japan added Manchuria to its territory.

Russia defeated the Japanese fleet.

The Treaty of Portsmouth was signed

. Japan's influence in Korea increased.

Japan added Manchuria to its territory

The treaty of Portsmouth was signed

Japan's influence in Korea increased.

These are all results of the Russo-Japanese wars, because the Japanese were looking to conquer the surrounding lands to avoid being conquered themselves by the European powerhouses.