Multiple choice

What invention led to the sharp rise in the number of slaves imported to the United States?

  1. interchangeable parts

  2. the canal system

  3. steam-powered machinery

  4. the cotton gin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The cotton gin, invented by Eli Whitney in 1793, made the processing of short-staple cotton much faster. This led to a massive expansion of cotton plantations and an increased demand for enslaved labor.

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