新四军
In 1939, the Japanese Army stopped attacking the Nationalist forces on a large scale. The New Fourth Army was restricted in the south of the Yangtze River. In order to establish a new base area, the New Fourth Army sent an advance team to Northern Jiangsu and conflicted with guerrillas of the Nationalist forces here. In the battle of Huangqiao, the New Fourth Army destroyed the 89th Army and the 33rd division of the Nationalist forces. The Eighth Route Army also dispatched the 4th detachment's 12,000 men to support the New Fourth Army.