sentences:  The primary reason Chiang Kai-shek decided to intrude on the chain of command by sending two of his own senior officers to take over command of the battle was the result of difference in strategic vision between him and Wei Lihuang, the commander-in-chief of the Nationalist forces in Northeast China.Chiang was still obsessed with holding as much land as long as he possibly could, while Wei Lihuang believed that Nationalists should conserve manpower even if that meant ceding lands temporarily.However, for Chiang and most of the Nationalist high command, surrendering lands was politically unacceptable.