the spanish were able to conquer the Aztec Empire by scaring the natives with the 16 horses, gaining alliances with the other enemies of the Aztec, having superior and better weapons than the natives (like guns), having armor, and having steel.
The Spanish conquered the great Aztec and Inca empires by bringing diseases to kill most of them off quickly, scaring them with the horses, and using their more advanced superior weapons to kill them.
