一九三九年初，我江南新四军根据抗日战争战略相持阶段的形式，为坚持团结抗战，反对分裂投降，遵照党中央关于“向南巩固，向东作战，向北发展”的指示，派出第二支队给二团一部，协同丹阳游击纵队向江北发展，并控制扬中和大桥一带江北沿岸阵地，执行开辟苏北、发展华中的战 In early 1939, in keeping with the phase of the stalemate in the anti-Japanese war strategy, in keeping with the instructions of the Central Committee of the Party Central Committee on "consolidating southwards, fighting eastwards and moving northwards, Detachment to the two regiment of a, coordinated with the Danyang guerrilla column to the Jiangbei development, and control Yangzhong and bridge along the Jiangbei coast positions, the implementation of North Korea to open up and develop the war in Central China