<span>They should take leading roles 8)</span>
Answer:
Cotton transformed the United States, making fertile land in the Deep South, from Georgia to Texas, extraordinarily valuable. Growing more cotton meant an increased demand for slaves. Slaves in the Upper South became incredibly more valuable as commodities because of this demand for them in the Deep South.
Explanation: hope this helps
Do you mean what? I would say disease, the natives have never came in contact with those sicknesses so they died out fast because of how weak their immune systems were.
Reduced dependence on nonrenewable resources
Our dependence on fossil fuels has actually increased dramatically as more and more people own vehicles. Vehicles are becoming more efficient, but with so many on the road at once, we're burning through our nonrenewable resources fast. It may not happen on our lifetimes, but we'll run out eventually and unless we find a better source of energy by then, we'll be in a bad situation.
I believe the Zimmerman Telegram. America received a coded message from Mexico, which wasn't so nice.
