How were the city-states of northern and central italy different from the rest of europe?

The great compromise during the writing of the constitution involved

Which fact would this be, and how might you verify the truth?

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.