What were characteristics of Sumerian cities? some narrow, unpaved streets, protective walls, and homes made of mud-bricks

brick streets, sewer systems, and homes made of stone

canals, protective walls, and homes made of wood

hilly roads, sewer systems, and homes made of adobe

Round arches allowed the romans to create structures with

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.

How could indian agents profit their assignments?