How did the cotton gin lead to the growth of slavery?

The cotton gin made more soil fertile so plantation owners used more enslaved labor to plant more cotton.
The cotton gin made more soil fertile so plantation owners used more enslaved labor to plant more cotton.

The cotton gin slowed cotton production so plantation owners used more enslaved labor to make up for it.
The cotton gin slowed cotton production so plantation owners used more enslaved labor to make up for it.

The cotton gin required a large team of people to make it work so plantation owners used more enslaved labor to run it.
The cotton gin required a large team of people to make it work so plantation owners used more enslaved labor to run it.

The cotton gin increased cotton production so plantation owners used more enslaved labor to meet the demand.
The cotton gin increased cotton production so plantation owners used more enslaved labor to meet the demand.

Long staple cotton was profitable because the cotton fibers could be easily separated from the seeds. ... While reducing the number of slaves needed to grow cotton the cotton gin greatly increased the areas where cotton could be profitably grown. This increased the demand for slaves.

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