In Latin America, the christian conquerers forced people to pray to their god. So people adapted by praying to their old gods in the guise of the new.
Catholicism was the only religion allowed in the colonial era; the indigenous were forced to abandon their beliefs, although many did not abandon it at all, for example, countries with predominantly Amerindian population such as Bolivia and Peru there is a syncretism between indigenous religions and the Catholic religion, that has occurred since colonial times. In Brazil or Colombia, Catholicism was mixed with certain African rituals.
The most baffling thing is once subjugated peoples now being the most ardent in their beliefs.
Many of those people were intentionally replaced or mixed with settlers.
In Latin America, the christian conquerers forced people to pray to their god. So people adapted by praying to their old gods in the guise of the new.
https://en.wikipedia.org/wiki/Religion_in_South_America