How did jan matzeliger change the shoemaking industry in the 1800s?

i know c is an incorrect answer.

a. stitching shoes was laborious, so matzeliger invented the sewing machine.
b. adding laces to shoes was laborious, so matzeliger invented the lacing machine.
c. adding heels to shoes was laborious, so matzeliger invented the heeling machine.
d. attaching the top of the shoe to the sole was laborious, so matzeliger invented the lasting machine.

The correct answer is D - Stitching shoes were laborious, so Matzeliger invented the sewing machine.

Before his invention, shoes were made and sewed by hand. After the invention of this machine by Matzeliger significant change was made to the shoes manufacturing - before the machine 50 pairs could be done in a 10 hour day, after the invention 150/700 pairs could be made. He obtained the patent for his invention in 1883.

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.

during the middle ages bibles and most christian literature was written in latin i think that’s the answer you are looking for