There are several factors that contributed to the success of Catholicism in Central and South America. One factor is that the Spanish and Portuguese governments actively supported the spread of Catholicism. They provided financial support to the Catholic Church, and they also used force to convert the indigenous peoples. Another factor is that Catholicism was able to adapt to the local cultures of the Americas. The Catholic Church incorporated some of the indigenous beliefs and practices into its own rituals and ceremonies, which made it more appealing to the indigenous peoples.
As a result of these factors, Catholicism became the dominant religion in Central and South America. Today, the majority of people in these regions are Catholic. Catholicism has played a significant role in the history, culture, and society of Central and South America, and it continues to be an important force in these regions today.