How and why have certain Americans tended to view themselves and their nation as “exceptional”? How has this notion shaped American culture, politics and economics?

The collapse of the roman empire most likely to empower the catholic church because

How did the technology of the late 1800s affect the growth of cities? select one: a. cities were able to expand outward because of additions to railroads. b. electric streetcars enabled the wealthy city dwellers to move to the first suburbs. c. advances in steel and metal technology allowed for the development of the skyscraper, which allowed cities to grow upwards. d. all of these are correct.

Which group was responsible for determining the borders of african colonies and later countries