World War ll help

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

Which event occurred in 1943 and to make the allied victory possible choose all answers that are correct