How does this textbook explain where man came from? a civic biology 1925

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.

Who wrote the declaration of independence

All of the following were restrictions on free african americans, who lived primarily in the upper south except: