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.
More control over the family businesses: The Civil War took men away from farms, businesses, and plantations. Women were expected to take control of matters in their absence.
The war opened new economic opportunities as women were provided a chance to run family businesses. This was especially true for women in the South who had to run plantations while their husbands fought or were involved in the government.