What changes contributed to the massive population growth in europe from 1800–1900? select all that apply. (3 choices! ) a. reductions in the average age of marriage increased the number of children born to each woman. b. better child-care assistance encouraged middle-class women to have more children. c. improved food production, storage, and distribution contributed to better nutrition and improved health. d. improvements in public sanitation reduced death rates. e. rising incomes resulted in higher birth rates for both low-income and middle-class women. f. advances in medical practices and procedures led to lower death rates of those receiving medical care.

answer; i believe the correct answer is (the willamete valley);

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.