蒋介石通过“四·一二”反革命政变,在南京建立起自己的反动统治.南京政府建立之初,政权很不巩固,外有帝国主义环伺,内有各派纷争,加之各地方军阀拥兵自重,因此,蒋介石急需通过北伐来巩固自己的统治.通过北伐,既可消灭敌对实力派张作霖,平可以以继承总理遗训之名义,扩大影响,在政治上巩固自己的地位,改变孤立的局面,正是一石二 Through the “April 12” counter-revolutionary coup, Chiang Kai-shek established his own reactionary rule in Nanjing.At the beginning of the establishment of the Nanjing government, the regime was not consolidated and there were imperialist circles and disputes among various parties. In addition, all local warlords Therefore, Chiang Kai-shek urgently needed to consolidate his rule through the Northern Expedition .Through the Northern Expedition, we can eliminate the hostile power to send Zhang Zuolin. In the name of inheriting the teachings of the Prime Minister, Ping may expand its influence and politically consolidate his position and change his isolation. It is a stone two