1) what are some of the changes from agricultural practices from 100 years ago? are these changes good or bad?

Agricultural practices from 100 years ago have changed over time because of advanced technology and experiments with seeds. Farming in the 1900s widely done in rural areas, families own small farms, toiled with there own family members. Farms raised animals like cows, pigs, sheep, and chickens. In the 1900s, machines were beginning to come over the fields.

The changes are good compare to the 100 years back because farmers don't have to work in fields for long hours. Now agricultural fields are bigger to supply grains and vegetables in larger numbers. Machines have taken place in the majority of the fields along with the advanced hybrid seed to produce maximum vegetables and crops.

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.