As a result of the truce between KMT and CPC, the Red Army was reorganized into the New Fourth Army and the 8th Route Army, which were placed under the command of the National Revolutionary Army.
After the commencement of full-scale war between China and Japan, the Communists forces fought in alliance with the KMT forces during the Battle of Taiyuan, and the high point of their cooperation came in 1938 during the Battle of Wuhan.