在抗日战争中,随着日本侵略的不断扩大,特别是自“华北事变”以后,由于日本帝国主义对华政策的一系列变化,导致蒋介石的对日态度和策略也随之发生了一系列实质性的转化。即由“九·一八”事变后采取的“消极抗日,积极反共”的策略方针,到“华北事变”之后对日态度转向强硬,直到西安事变和平解决以后与中共第二次合作而转 In the Anti-Japanese War, with the continuous expansion of Japan’s aggression, especially since the “North China Incident,” a series of changes in the Japanese imperialist policy on China led to Chiang Kai-shek’s series of substantive changes in his attitudes and tactics toward Japan Sexual transformation. That is, the “negative anti-Japanese and pro-Communist anti-communist” strategy adopted after the “September 18 Incident” turned tough to Japan after the “North China Incident,” and turned to the second co-operation with the CPC after the peaceful settlement of the Xi’an Incident