"Every time Americans debate the problem of states' rights, the relationship of federal power to state power -- which we are indeed having a roiling debate again -- and every time we debate not only race relations, but the very idea of what it means to be an American, multi-racial,greatly diverse society, we are debating the direct legacies of the Civil War."

VOA: special.2011.04.09

How successful was the cotton boom, how important was the cotton boom, what is the relationship between the spread of slavery, the spread of cotton, and power?

棉花业的兴盛是如何的成功,如何的重要,奴隶制的传播,与棉花业的兴盛,以及权利的扩散之间有什么关系

耶鲁公开课 - 美国内战与重建课程节选