USA HISTORY

Detailed explanation-1: -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.

Detailed explanation-2: -First, the machine helped to boost productivity and increased cotton usage. Second, the cotton gin helped to increase production of cotton in the United States, and made cotton into a profitable crop. Third, the machine helped to strengthen the United States’ economy and laid the foundations for the slave trade.

Detailed explanation-3: -While living on the plantation, Whitney witnessed the difficulties of growing short-staple cotton that had to be picked and cleaned by hand. He took the problem as a challenge and designed a cotton “gin” (derived from the word “engine”).