Answer:
because Adams appointed Henry Clay secretary of State
Explanation:
Brought new crops to America which include: Potatoes, tomatoes, peanuts, corn, pumpkins, squash, sweet potatoes, vanilla, beans, cocoa, spices and a very important cash crop: Tobacco. It also introduced turkeys. diseases were also spread like the Yellow Fever.
C. The fertile soil allowed early human societies to develop agriculture my friend did this one and got it right :)
Answer: It sped up the manufacturing dramatically, It allowed factories to produce more products at a faster rate. It had also reduced the labor hours benefiting workers.
It's A
Irrigation was overused, the soil didn't get any rest (crop rotation is a younger invention), the result was salinization of the soil, which led to decline of Sumer.