In 1860, the value of Southern slaves was three times the amount invested in manufacturing or railroads, representing more capital than any other American asset except land, but instead of the slave-based, cotton-growing South, the industrial North triumphed. Between 1870 and 1900, the reunited U.S. economy industrialized and tripled in size (with assistance from mass immigration from non-English-speaking, non-Protestant societies), producing a spectacular surge that eclipsed even the booms in Germany and Japan as the U.S. share of global output soared to nearly 30 percent. This American
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