爱国主义永远是凝聚中华民族团结奋斗的精神支柱。在半殖民地半封建的旧中国 ,中华民族的各种政治势力只有团结起来 ,才能进步 ,才能救国。中国共产党与十九路军在淞沪抗战中的合作 ,对十九路军走上联共、抗日、反蒋的道路具有深远影响 Patriotism is always the spiritual pillar that will unite the Chinese nation in its struggle. In the semi-colonial and semi-feudal old China, the various political forces in the Chinese nation can only be united if they can progress and save the nation. The cooperation between the Chinese Communist Party and the Nineteenth Route Army in the Songhu Battle of Japan has far-reaching repercussions on the path that the Nineteenth Route Army took to the League, the anti-Japanese and anti-Chiang Kai-shek