研究美国对南部落后地区的开发 ,无疑会对我国西部大开发提供一些借鉴 ,并拓展史学的研究领域 ①。美国社会经济发展不平衡由来已久 ,地区间人均收入差距 1 90 0年达 37% ,1 940年仍有 2 8%。美国的贫困落后地区主要分布在南部②。本文扼要分析了联邦政府开发南部的原因 ,论述 Studying the development of the United States toward the backward areas in southern China will undoubtedly provide some reference to the great development of western China and expand its research fields in history. The United States has a long history of social and economic imbalances. The per capita income gap between regions has reached 37% in 1990 and 28% in 1949. The poor and backward areas of the United States are mainly located in the south ②. This article briefly analyzes the reasons for the development of the federal government in the south, discusses