Chapter Three: researched the struggles by the CPC in fighting against the encroachment of Chinese sea power by Japan and America during the Resistance War against Japan and the Liberation War.

• 第四章:论述了新中国成立前后中国共产党收回了近代丧失的海权,一方面终结了西方在华炮舰政策,另一方面掌握了沿海与内河航行权、引航权、海关主权等,为中国海洋事业的健康发展创造了前提条件。