B) They had a complex civilization that was destroyed by the Spanish conquerors.
By the time of the Spanish invasion, the Aztecs had devloped a strong civilizations, they had a system of trade & commerce and were quite wealthy. They also had a primitive form of "police" and a banking system.
The whole of Attica (the area sorounding and controlled by Athens) had a size of 2500 square kilometers) which is very small compared to the size of USA in 1789. At that time USA had an area of <span>864,746 square kilometers. </span>
At first it was mostly poor americans from the east, hoping to make a lot of money. By the time they began digging into mountains, less and less americans agreed to do the dangerous work. using explosives and pickaxes to get at a chance for money wasn't worth it to them, so many companies began hiring chinese immigrants because they would work for much less, and were willing to risk it for a place to live and food to eat.