Respuesta :
Answer:
D. Interchangeable Parts
Explanation:
Eli Whitney, (born December 8, 1765, Westboro, Massachusetts [U.S.]—died January 8, 1825, New Haven, Connecticut, U.S.), American inventor, mechanical engineer, and manufacturer, best remembered as the inventor of the cotton gin but most important for developing the concept of mass production of interchangeable parts.
Its B. Eli Whitney created the cotton gin. Yes it transformed the manufacturing industry but also increased demand in slaves.