Because the Spanish brought over diseases which wiped out most of the Native American population.
The answer is d) a sense of alienation
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.
Explanation:
Executive branch because they are in charge of signing bills