Question on photo!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer: (A) It increased the efficiency of mass-producing goods.
Explanation:
According to history.com "Interchangeable parts, popularized in America when Eli Whitney used them to assemble muskets in the first years of the 19th century, allowed relatively unskilled workers to produce large numbers of weapons quickly and at lower cost, and made repair and replacement of parts infinitely easier."
This explains how it was made much easier to make goods in less time, less skilled workers, and lower cost. So the efficiency was increased. (A)
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