Other contributors have said "How did Cortes trick the Aztecs?" is the same question as "How did Hernan Cortes trick the Aztecs?" If you believe that these are not asking the same thing and should be answered differently, click here
He didn`t trick them; he had superior weapons than those of the Aztecs, and, a couple of Aztec political groups were on the Spaniard side due to recent changes in the Aztec goverment.
Don't know what you mean by why. They weren't traveling to the Americas for the Aztecs, they came over to further colonize and were looking at the Yucatan peninsula, where the Aztecs lived, as a...