What role did the transcontinental railroad play in the development of the u. s. economy in the late 19th century

The railroad established a transcontinental mechanized transportation network that revolutionized the population and economy of the American West. It served as a vital link for trade, commerce and travel that joined the eastern and western halves of late 19th century United States.

b. she founded a new dynasty that ruled egypt for generations.

explanation:

i think it is in quadrant 4.

the five year plans were part of a command economy. there was little choice in what would be emphasized for the current 5 year period.

the answer to democracy or totalitarianism is a bit harder. in stalin's time, russia was totalitarian. now that's not entirely true. putin has moved towards at least the boundary.