Who introduced the idea of interchangeable parts that promoted mass production of various goods?

A. Eli Whitney
B. Samuel Slater
C. Francis Cabot Lowell
D. Henry Ford

Question

Who introduced the idea of interchangeable parts that promoted mass production of various goods? 
 	
	A. Eli Whitney
	B. Samuel Slater
	C. Francis Cabot Lowell
	D. Henry Ford

anonymous · Answer

Cancel out the obvious ones.
Henry Ford clearly wasn't even alive in that time.
Samuel Slater made the spinning machine.
Francis Cabot Lowell was a business man who was the founder of what is known as the first textile mill. 
That leaves Eli Whitney.

anonymous · Answer

thx