 Japanese preparations for invading Jehol province later that year had to be halted by the need to subdue this widespread partisan activity, and with Japanese forces concentrated to the west, the forces of Wang and Feng Zhanhai managed to briefly occupy the capital of Jilin province.However things began to go wrong when the NSA became embroiled in disputes with General Li Du's Jilin Self-Defence Army.One of Li's subordinates tried to persuade one of Wang Delin's commanders to put his force into the Self-Defence Army.