The correct option is D) Advanced weapons.
Though the Aztecs held the most powerful empire in Central America, the Spanish had an advantage of Advanced Weapons that contributed to the Aztecs' defeat.
Before the arrival of the Spanish, the Aztec Empire was the dominant economic and political force in South America.
The Empire has a complex government system, a sophisticated economy and a well developed social structure.
Many of the Aztecs were well-versed in developing large buildings, architecture, in agriculture, sports, mining and even astronomy. However, the technologically they were still far behind the Europeans.
Their limited weaponry was no match for the muskets of the time. We should also not forget that even a larger part of the population died due to the diseases brought on from the old world.
The local population had no immunity towards measles, small pox and other contagious diseases.
Black Friday is a perfect example of how people react to scarce resources. they become overtly violent,protective, of their space and will hoard the smallest item.
Passage of the Jim crow laws
The confederates used very defensive tactics that allowed them to stay on home turf and win many small battles.
One positive is it helped the countries against communism by supplying them with weapons. A negative is that the countries against it could have been impostures and used the weapons we gave them against us