古代一个国家的兴衰是与它所统治地区的开发、繁荣程度有密切关系。江南地区从东汉初年开始一直到孙吴时期,由于自然和政治原因得到较快开发,使这个地区的农业经济、水利建设等迅速地发展起来。孙吴依靠这强有力的基础,获得了与曹魏抗衡的资本,与曹魏的对立成为历史必然。 The rise and fall of an ancient country is closely related to the degree of development and prosperity in the area under its jurisdiction. Since the beginning of the Eastern Han Dynasty and Sunwu period, the southern areas of the Yangtze River have been rapidly developed due to natural and political reasons, so that the agricultural economy and water conservancy construction in this area have been rapidly developed. Sun Wu relied on this strong foundation to gain the capital to contend with Wei and Wei, and the confrontation with Cao Wei became a historical necessity.