Why did president eisenhower send federal troops to little rock, arkansas in 1957? a. to enforce court-ordered integration of the city's public high school b. to support governor orval faubus in his efforts to uphold jim crow laws c. to break a boycott of public transportation by the city's black residents d. to protect striking black garbage workers from police brutality

The slave dred scott sued for his freedom because he was born a free man. he had lived in a free state. slavery violated the 13th amendment he had been freed by pres. lincoln.

This is the belief that a nation must develop and maintain a strong military force in order to pursue and defend its national interests.

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.