大革命时期，随着国共合作、统一战线建立，产生了国民革命军。革命统一战线以此发动了一场反帝反封的北伐战争。这一军队的来源及构成，说明这支军队在大革命时期带有明显的军阀化倾向，以至当蒋介石、汪精卫集团叛变革命时，其绝大部分站到了反革命一边 During the Great Revolution, with the cooperation between the Kuomintang and the Communist Party, the establishment of the united front produced the national revolutionary army. As a result, the revolutionary United Front launched a war against imperialism and anti-imperialism on the Northern Expedition. The origin and composition of this army shows that this army showed a clear tendency of warlordization during the Great Revolution and that when Chiang Kai-shek and Wang Jingwei clutched their own revolution, most of them stood on the counter-revolutionary side