Answer:
Steam-powered trains.
Explanation: Railroads provided the most dramatic transportation growth during the 1800s. They facilitated the movement of people, goods, and information, decreased shipping costs and time, and strengthened the links between the Old Northwest and the East.
A.
Slaves sent to the Caribbean and South America did not live long because of the harsh climate, diseases, and terrible living conditions.
He was a land owner and a business man. hope this helps<span />
