4. which technological innovation had the greatest impact on the growth of the us into an industrialized society? explain.
· steel (bessemer process)
· oil
5. who was the most influential businessman of the late 20th century? explain.
· john d. rockefeller
· andrew carnegie
· j. p. morgan
· cornelius vanderbilt
6. which labor union had the greatest impact on the lives of workers? explain.
· american federation of labor
· knights of labor
· international workers of the world

Which of these would have been a goal of the ku klux klan in the south during reconstruction? a) registering more potential rural voters b) making sure reconstruction went smoothly c) assisting the scalawags and carpetbaggers d) restoring southern democrats to political power

For in this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

Was the first african american to be appointed to the u. s. supreme court.