Hernán Cortés Was Aided in His Conquest of the Aztec

Multiple Choice

Hernán Cortés was aided in his conquest of the Aztec empire by all of the following EXCEPT:

A) people subjugated by the Aztecs who wanted to rebel.
B) a consort who was indigenous and spoke the common language of the empire.
C) the European rifles he had brought with him.
D) European bacteria.
E) the tactical planning of his native allies.