What were the results of the Russo-Japanese War?

What were the results of the Russo-Japanese War?

Explanation:

In the resulting Treaty of Portsmouth, Japan gained control of the Liaodong Peninsula (and Port Arthur) and the South Manchurian Railway (which led to Port Arthur) as well as half of Sakhalin Island. Russia agreed to evacuate southern Manchuria, which was restored to China, and Japan's control of Korea was recognized.

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