In the 19th and 20th centuries, the world's population has shifted from rural to urban. what was this shift caused by

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.

Americans who supported manifest destiny believed that the united states should

How did the supreme court decision in the slaughterhouse cause an affect american business