民国时期军事史研究首次国共合作与北伐战争关系评析有的作者指出：北伐战争的发动与胜利进军，离不开首次国共合作的统一战线，是国共两党的领导者共同及时地制定了正确的北伐战略决策；是国共两党的革命官兵在各大战场并肩浴血苦战，一起克敌制胜；是国共两党（主要是中共） Commentaries on the Relationship between the First KMT & CPC and the Northern Expedition in the Period of the Republic of China: Some writers pointed out: The launch and victory of the Northern Expedition can not be separated from the united front of the KMT-CPC for the first time. It is the common and timely The strategic decision-making of the Northern Expedition; is a revolutionary officers and men of the two parties in the major battlefields side by side in battles, together with the enemy victory; is the KMT’s two parties (mainly the CPC)