Question

____________________________ was Eli Whitney’s idea that transformed the manufacturing industry.

A. The Telephone
B. The Cotton Gin
C. The Spinning Ginny
D. Interchangeable Parts

Answer 1

Its B. Eli Whitney created the cotton gin. Yes it transformed the manufacturing industry but also increased demand in slaves.

Answer 2

D. Interchangeable Parts

Step-by-step 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.