Who is credited with putting the concept of using mass-produced interchangeable parts into practice?

a.) dewitt clinton
b.) eli whitney
c.) cyrus mccormick
d.) peter cooper

Eli Whitney is credited for putting the concept that is stated above. Thus, the answer is letter B. During the 19th century, machines started taking over the jobs for men. This led to the introduction of interchangeable parts, or the pre-manufactured parts for practical purposes.