Which statement is true? a. theodore roosevelt tried to end the russo-japanese war but failed. b. britain opposed theodore roosevelt's efforts to end the russo-japanese war. c. russia and japan fought the united states over control of manchuria. d. by end the russo-japanese war, theodore roosevelt won the nobel peace prize.

The correct answer is:

D. By helping end the Russo-Japanese War, Theodore Roosevelt won the Nobel Peace Prize.

Theodore Roosevelt, who served as the 26th President of the United States, received the Peace Prize for having negotiated peace in the Russo-Japanese war in 1904-5.

The Treaty of Portsmouth, outlined in part by the U.S. President,

formally ended the War. The negotiations took place in Portsmouth, New Hampshire, and the final agreement signed in September of 1905 affirmed the Japanese presence in south Manchuria and Korea and ceded the southern half of the island of Sakhalin to Japan.

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