背景材料1926年7月开始的国民政府北伐战争是第一次国共合作时期的最重大的军事行动。不到半年时间,北伐军从珠江流域打到长江流域,推动了工农运动的蓬勃发展,打击了帝国主义统治中国的基础。2006年是北伐战争开始80周年。知识清单1.北伐战争的背景条件。(1)国共合作的实现、革 Background Materials The Northern Expedition of the Nationalist Government, which began in July 1926, was the most significant military operation during the first time of the KMT-CPC cooperation. Less than six months later, the Northern Expeditionary Army hit the Yangtze River basin from the Pearl River Basin, which promoted the vigorous development of the workers’ and peasants’ movement and undermined the foundation of imperialist rule over China. 2006 marks the 80th anniversary of the beginning of the Northern Expedition. List of Knowledge 1. Background conditions of the Northern Expedition. (1) The realization of the KMT-CPC cooperation