Which of the following statements is most accurate?
Select one:
a. Both the Inca and the Aztecs stopped exploiting subject peoples after 1500 due to the intervention of the Black Plague.
b. Prior to the arrival of the Europeans, both the Inca and the Aztec empires had been replaced by other, indigenous governments.
c. Because of internal weaknesses, both the Inca and the Aztec empires were receding and might not have survived, even if the Europeans had not arrived.
d. Without European interference, the likelihood is that the Inca Empire would have overwhelmed the Aztecs and established a unified government in the Americas.
e. Without European intervention, there is no reason to believe that the Inca and Aztec empires could not have survived for several more centuries.