Which statements accurately describe factors that were part of the decline of the aztec empire? choose all answers that are correct. a. the spanish had to overcome aztec diseases that infected the conquistadors. b. the aztecs were overwhelmed by superior spanish weapons. c. the aztecs had never established a strong military and were unprepared to defend the empire. d. the spanish recruited allies among the peoples conquered by the aztecs. e. the conquistadors were determined to defeat the aztecs for their own glory and wealth, and for their religion.