How did eli whitney to push forward the industrial revolution in the united states?
a.
he applied the factory system to the manufacture of steamboats.
b.
he developed the use of the assembly line.
c.
he developed the concept of interchangeable parts.
d.
he invented the first useable steam engine.

The correct answer is C) He developed the concept of interchangeable parts.

How did Eli Whitney help to push forward the Industrial Revolution in the United States C) He developed the concept of interchangeable parts.

Eli Whitney (1765-1825) was the inventor of the cotton gin, the machine that changed the way to produce cotton in the United States. He also developed the concept of interchangeable parts when he produced muskets. Tise concept really impulsed the manufacturing plants in the Industrial Revolution.

i truly dont know the answer wait i do its 1,3,4

answer; protectionism fosters competition and keeps price regulated;