Answer:
The use of slaves in the South only increased up until the Civil War. This was because it was advantageous for the landowners to use slaves instead of hiring white free laborers who might cost more, strike, or quit. Historical records show that in the year 1790, there were about 697,681 slaves in the thirteen colonies. By 1800, it increased to 893,602 in number. Ten years later, in 1810, the number passed the millionth mark to 1,191,362 slaves. Then a decade later in 1820, it increased to 1,538,022.
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