How did the invention of interchangeable parts revolutionize the way products like guns could be produced?

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 a lower cost, and had made repair and replacement of parts infinitely easier.

Explanation:

the answer is c just took the test.