What effect did the invention of the cotton gin have on cotton production in the years between 1790 and 1820?
A.)Cotton production grew very quickly, so that it was ten times higher in 1820.
B.)Cotton production slowly declined because of the high cost of cotton gins.
C.)Cotton production shrank very quickly because of the high costs of labor.
D.)Cotton production remained almost the same from 1790 to 1820.
