 Complete the following phrase:  China acquiesced only reluctantly to the idea of Korean reunification after being told by Kim that Stalin had approved the action. The Chinese did not provide North Korea with direct military support other than logistics channels until United Nations troops, largely US forces, had nearly reached the Yalu River late in 1950. At the outset of the war in June and July, North Korean forces captured Seoul and occupied most of the South, save for a small section of territory in the southeast region of the South that was called the 