Can someone explain the historical circumstances that led to the historical development in the document . 15 points ! And brain list if only if correct answer

Ineed to write an essay about harriet tubman

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.

What did alexander hamilton and john adams lead