It has long been debated whether Washington’s growing aversion to slavery resulted from moral scruples or from a sense that slavery was a bad economic bargain, in which masters paid more for slaves’ upkeep than they reaped in profit from their labor. The latter problem weighed on him in the mid-1780s, when the failure of his corn crop, the principal food for his slaves, slashed the profitability of his operations. Though he probably never read it, Washington would have agreed with Adam Smith’s theory in The Wealth of Nations (1776) that slavery was a backward system because workers lacked
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