四一二前后 ,蒋介石为争取列强的支持 ,在对外政策上放弃“反帝”口号 ,变列强为“友邦”。面对中国大变局 ,英、美、日等主要列强国家在“自利”原则下 ,纷纷调整各自对华政策。各国在华利益和目标追求不同 ,对蒋的态度也呈现出各不相同的阶段性和复杂性 Before and after April 12, Chiang Kai-shek sought to win the support of the powers and renounced the slogan of “anti-imperialist” in foreign policy and became a “friend of the nation”. Faced with the drastic changes in China, the major powers of Britain, the United States, Japan and other major countries adjusted their respective policies toward China under the principle of “self-interest.” The interests and goals pursued by various countries in China are different, and their attitudes towards Chiang Kai-shek also show different phases and complexities