Answer:
Treaty of Portsmouth, (September 5 [August 23, Old Style], 1905), peace settlement signed at Kittery, Maine, in the U.S., ending the Russo-Japanese War of 1904–05. According to the terms of the treaty, which was mediated by U.S. Pres. Theodore Roosevelt, the defeated Russians recognized Japan as the dominant power in Korea and made significant territorial concessions in China.
Explanation:
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