EOC US History Practice Test #3

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When the U.S. government needed 10,000 rifles for the army, Eli Whitney applied for the contract. He took several guns, dismantled them, put the pieces in a box, and shook it. He then randomly selected the pieces he needed, assembled one rifle, and fired it. What did he demonstrate?
Correct Answer:
A interchangeable parts
Explanation:
Correct answer: A interchangeable parts

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