Which statement describes city life in the late 1800s and early 1900s?

-urban planning many of the larger cities control the problems brought by rapid population growth.
-air and water pollution was regulated first by state governments and then by the federal government.
-health hazards from unsafe water were eliminated by the development of public waterworks.
-finding adequate housing was a problem for many city residents, who were forced to live in tenements.

The answer is the first:

Urban Planning helped many of the larger cities control problems.

In the late 1800's and early 1900s due the industrialization in the united states population grow rapidly mainly in the Northeast, urban planning always by the hand of the innovations in the industry let the governments to work in some transportation developments and making progress in structure and building.

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.