From what Malinche said they are devoted to their religion, and the priests are all powerful.

If I am to do any good, therefore, it must be done gradually.
"What should we think, at home, if an Indian were to arrive, and to try and teach us that our God was a false one?
Why, he would be burnt at the stake, in no time.

And one cannot expect that these Indians would be more patient, in such a matter, than we should.
When the Spaniards come, they will doubtless overthrow their gods, and force them to be Christians, just as they have the peoples in the islands." The next morning, early, the tents were pulled down, the slaves loaded up with what merchandise remained unsold, with the tents and provisions for the journey, and the caravan started for the west.

A party of the soldiers marched first.

Then came the merchants, with Roger and a small guard of armed men.