Good old Eli Whitney, it's his fault we had the cotton boom and slavery grew, and you get sort of Eli Whitney to the Civil War.
伊莱·惠特尼发明的轧棉机,促使了棉花产业兴盛和奴隶需求量猛增,可以说惠特尼在某种程度上导致了内战的爆发
耶鲁公开课 - 美国内战与重建课程节选
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