What are the economic consequences of industrialization in the Second Industrial Revolution in America?

The U.S had its highest economic growth rate in the last two decades of the Second Industrial Revolution; however, population growth slowed while productivity growth peaked around the mid 20th century. The Gilded Age in America was based on heavy industry such as factories, railroads and coal mining.

Explanation:

I hope this helps:)

i believe your answer is d)

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

have a great day!