八一三淤沪抗战是我国抗日战争初期规模最大的战役之一。这场战役时实现全民族团结抗战的第二次国共合作有着十分重要的影响．一、八一三淞沪战役的爆发，迫使国民党蒋介石集团改变了对日本侵华的动摇态度，最终促成第二次国共合作的正式实现。1937年8月13日，日军对上海发动大 One of the largest campaigns in the early days of the Anti-Japanese War in 1911 was the war against Japan. The second KMT-CPC cooperation that brought about the all-ethnic unity and resistance to war during this campaign has a very important impact. The outbreak of the Battle of Songhu in August 1333 forced the Kuomintang Chiang Kai-shek Group to change its wavering attitude toward Japan’s invasion of China and eventually contributed to the formal realization of the second KMT-CPC cooperation. August 13, 1937, the Japanese army launched a large Shanghai