Question

Which of these African-American inventors developed a shoe-manufacturing machine that significantly cut shoe prices in the United States?

Answer 1

Jan E. Matzeliger developed a shoe-manufacturing machine that significantly cut shoe prices in the United States.

Answer 2

Jan Matzeliger invented the shoe-producing machine that could finish from 100-650 more shoes (each day) than by hand. This made shoe production a factory (rather than hand-made) product.