Interchangeable parts are pieces of any device that are guaranteed to fit with any device of the same type. How did interchangeable parts contribute to the Industrial Revolution?
A. Interchangeable parts made mass production easier and cheaper.
B. Interchangeable parts made cotton-picking faster and safer.
C. Interchangeable parts forced skilled gunsmiths to join factories.
D. Interchangeable parts helped factory workers be less confused.