Paechon Line the Tohae Line. Following the end of the Pacific War and the subsequent partition of Korea, most of the Tohae Line was located in the US zone of occupation that later became South Korea, with the line being divided along the 38th Parallel between Changbang and Kalsan, and the Korean National Railroad operated passenger trains on the line between Tosŏng and Ch'ŏngdan until 1950. The line was heavily damaged during the Korean War, and the destruction of the Ryesong River bridge left the line truncated at Paech'ŏn. The truncated line ended up in North Korea after the Korean Armistice, becoming
Australia in the Korean War border between North Korea and China, and extend their rollback policy into China. Many in the West, including General MacArthur, thought that spreading the war to China would be necessary and that since North Korean troops were being supplied by bases in China, those supply depots should be bombed. However, Truman and the other leaders disagreed, and MacArthur was ordered to be very cautious when approaching the Chinese border. Except on some rare occasions, UN bombers remained out of Manchuria during the war. China warned American leaders through neutral diplomats that it would intervene to protect its national security, however