Name one American invention of the 1800s.
One American invention of the 1800s is the cotton gin, invented by Eli Whitney in 1793. It revolutionized the cotton industry by greatly speeding up the process of separating cotton fibers from their seeds.
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### Instruction:
Name one American invention of the 1800s.

### Response:
One American invention of the 1800s is the cotton gin, invented by Eli Whitney in 1793. It revolutionized the cotton industry by greatly speeding up the process of separating cotton fibers from their seeds.