I believe the answer is: <span>The Kuomintang did most of the fighting.
At that time, members of China's communist party decided to run and hid in mountain and let the Kuomintang handles most of the confrontation.
Because of this, the communist party ended up with the most power after the war is over and managed to control China.</span>
Due to the study of contemporary paleolithic societies, a shift in historical thinking has occurred where people nowadays consider people during the Paleolithic era to have been far more culturally advanced as the "Original Affluent Society", whereby they survived not on scarcity, but a refined mode of subsistence, living from what they could find, and not overeating.