Slavery was a major concern between the federal and state governments in 1800s because of the invention of cotton gin.
During the 1800s, there was increased demand for cotton and prices for led to plantations owners to seek for more land in the west.
Furthermore, the invention of cotton gin in 1793 paved the way for much greater productivity than the manual separation of cotton.
This resulted in an explosive growth in demand of slaves for cotton cultivation.
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