Final answer:
The increase in slavery was fueled by the invention of the cotton gin and the expansion of cotton agriculture that demanded more slave labor.
Explanation:
The increase in slavery was influenced significantly by the invention of the cotton gin and the expansion of cotton agriculture.
With the introduction of Eli Whitney's cotton gin in 1794, cotton production became immensely profitable, leading to a surge in demand for slave labor to work on cotton plantations.
This demand for slaves intensified due to the need for labor in clearing land, planting, and picking cotton, driving the domestic slave trade and accelerating the growth of the Southern economy that heavily relied on slave labor.
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