USA HISTORY

Detailed explanation-1: -interchangeable parts, identical components that can be substituted one for another, particularly important in the history of manufacturing. Mass production, which transformed the organization of work, came about by the development of the machine-tool industry by a series of 19th-century innovators.

Detailed explanation-2: -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.

Detailed explanation-3: -With the creation of identical, interchangeable parts, unskilled workers could find employment in factories, the production of goods could be greatly increased, and repair and replacement of parts became much easier.

Detailed explanation-4: -Interchangeable parts is the idea that manufactured goods could be quickly constructed and parts replaced by unskilled workers. Eli Whitney first developed the cotton gin in 1794, which helped clean cotton fibers more effectively. The cotton gin allowed for the growth of the cotton industry in southern agriculture.