The Housing Act of 1949: a. reinforced the concentration of poverty in non-white urban neighborhoods. b. paired with urban renewal programs, made American cities more diverse and prosperous. c. ended the concentration of poverty in non-white urban neighborhoods. d. allowed growing numbers of blacks to move to the suburbs. e. set a high income ceiling for eligibility.

a. Reinforced the concentration of poverty in non-white urban neighborhoods.

Explanation:

The Housing Act of 1949 was enacted to reinforce the availability of economical housing schemes for the urban areas after some major move of most people to the suburbs. It also brought a major increase in the construction of the public housing system.

This 1949 Act led to a major increase in the concentration of the poverty level in the urban areas populated by the non-whites. Though this Act was supposed to improve the perception of American housing systems even in rural areas, the planned clearance of slum residency and help in the land development to foster lesser slum areas wasn't a huge success.  

c) troops march forward in close formation against newer, more accurate weapons

b is the answer i am assuming