North Korea in the Korean War Yalu River, the border between North Korea and Communist China, the Chinese started to worry about protecting themselves from what they called "armed aggression against Chinese territory." Chinese leader Mao Zedong (1893-1976) sent troops to North Korea and warned the United States to keep away from the Yalu boundary unless it wanted full-scale war. Finally, in July 1953, the Korean War came to an end. Truman and his new military commanders started peace talks at Panmunjom. Still, the fighting continued along the 38th parallel as negotiations were stalled. Both sides were willing to accept a ceasefire that maintained the 38th
Korean War conflicts played more of a role in not deploying them than the threat of a possible nuclear exchange. When Eisenhower succeeded Truman in early 1953 he was similarly cautious about using nuclear weapons in Korea, including for diplomatic purposes to encourage progress in ongoing truce discussions. The administration prepared contingency plans to use them against China, but like Truman, the new president feared doing so would result in Soviet attacks on Japan. The war ended as it began, without U.S. nuclear weapons deployed near battle. There were numerous atrocities and massacres of civilians throughout the Korean war committed by both