Question

how did jan matzeliger change the shoemaking industry in the 1800s? stitching shoes was laborious; so matzeliger invented the sewing machine. adding laces to shoes was laborious; so matzeliger invented the lacing machine. adding heels to shoes was laborious; so matzeliger invented the heeling machine. attaching the top of the shoe to the sole was laborious; so matzeliger invented the lasting machine.

Explanation:

Jan Matzeliger invented the lasting machine which attached the top of the shoe to the sole. This automated a labor - intensive process in shoemaking, increasing production speed and efficiency in the 1800s.

Answer:

He invented the lasting machine which automated the process of attaching the top of the shoe to the sole, revolutionizing the shoemaking industry in the 1800s by increasing production speed and efficiency.