How did industry in london affect population growth between 1750 and 1900? a. better nutrition sparked population growth and longer lives. b. improved transportation resulted in more people moving to the cities. c. a demand for workers as factory jobs increased brought about mass urbanization. d. poor living conditions and dangerous industrial jobs led many to return to their farms.

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.