What religion spread to south America central America and Mexico as a result of Spanish colonization?

The religion that spread to South America, Central America, and Mexico as a result of Spanish colonization is Roman Catholicism. Spanish colonizers, missionaries, and explorers sought to convert Indigenous populations to Christianity, often using various methods, including the establishment of missions. This led to the widespread adoption of Catholic beliefs and practices throughout the region, significantly influencing local cultures and societies. Today, Roman Catholicism remains one of the dominant religions in these areas.