Answer:
It depends on what you have been taught, but I would personally say negative because of the diseases that destroyed Native Americans and the rise of slavery.
On the flip side, if you're thinking of positive, it did help exchange new ideas and goods (the Columbian Exchange) between the worlds. It also allowed a safe haven for those persecuted (like the Protestants) and allowed countries to dump their inmates onto the new land.
A. The United States produces more oil than any other country
It would seem to most people that the U.S. doesn’t make a huge amount of oil since it imports so much, but the reason that so much is imported is due to the fact that the vast majority of that oil produced in country is saved in National oil reserves for future use in hard times.
Answer:
The Sumerians and Akkadians were the earliest people in Mesopotamia from 3100 BC to the fall of Babylon in 539 BC.