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Larger plantations called for more workers. As a result, the number of slaves in the South nearly doubled from 700,000 to 1,200,000 by the mid-1800s.
The invention of the cotton gin by Eli Whitney in 1793 led to a major increase in the number of slaves in the United States. The first census in 1790 counted 697,897 slaves, but by 1810 that number had grown 1.2 million slaves and increase of about 70%!
Massachusetts, and New York
Pennsylvania was a Quaker colony and had no slaves.
The northern states didn't have slavery as the southern states did, and they were smaller. They were afraid that if slaves were counted as part of the population that would give the southern states an advantage when they were represented in Congress. In 1790 35% of the population in VA was slave, so that can make a difference in the balance of power between states.
According to the US census of 1790, the number of slaves in the US totaled 698,000. Ninety four percent of the slave population were south of the Mason Dixon Line.
There were 304.000 in 1790. By the time it was 1860 the number increased to 3,950,000.
700,000
Larger plantations called for more workers. As a result, the number of slaves in the South nearly doubled from 700,000 to 1,200,000 by the mid-1800s.
there were 700000
According to the 1790 US Census, 94% of US slaves lived south of the Mason-Dixon Line.
1755
The invention of the cotton gin by Eli Whitney in 1793 led to a major increase in the number of slaves in the United States. The first census in 1790 counted 697,897 slaves, but by 1810 that number had grown 1.2 million slaves and increase of about 70%!
Massachusetts, and New York
Cotton production grew very quickly, so that it was ten times higher in 1820
Portugal; it was the only country that traded slaves at the time.
South Carolina