Now, about roughly two-thirds of those two million slaves moved from the Eastern seaboard or the Upper South to Alabama, Louisiana, Mississippi, Texas, Arkansas, et cetera.

在这两百万奴隶中,大约有三分之二的人,是从东海岸或者上南地区,被卖到亚拉巴马,路易斯安那,密西西比,德克萨斯和阿肯色等地区

耶鲁公开课 - 美国内战与重建课程节选

Then from 1820 to 1860, the forty years before the war, an estimated roughly two million American slaves were sold to satisfy the need of slave labor in the great cotton kingdom of the growing Southwest.

之后从1820年到1860年,这战争前的四十年间,据粗略统计有大约两百万美国奴隶被出售,以满足西南部,这个日益增长的棉业帝国对奴隶劳工的需求

耶鲁公开课 - 美国内战与重建课程节选