Based upon the initial reading of the provided documents covering the Civil War/Reconstruction, what do you think was the biggest issue our nation faced as it tried to heal after the Civil War? Explain using evidence from the reading.

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.