国防对一个国家的生存和发展,至关重要。近代中国多灾多难,始于国门不守,并一次次惨败于帝国主义列强的炮火下,国家和民族创深痛巨,生死存亡,危在旦夕。为救亡图存,无数志士仁人同仇敌忾,前赴后继,浴血奋战,终于在中国共产党的领导下,取得了反帝反封建的伟大胜利,建立起屹立于? National defense is crucial to the survival and development of a country. In modern China, which was troubled and was troubled by the unfriendliness of the country and its repeated defeats in the artillery fire of the imperialist powers, the country and its nation suffered a great pain and death and was at a critical juncture. In order to save the nation, there are countless clerics who, together with their enemies, go forward and fought bloody battles. Under the leadership of the Chinese Communist Party, they finally won the great victories against imperialism and anti-feudalism and established their stand on?