Final answer:
Imposing Roman Catholicism on indigenous populations was crucial for Spanish conquest due to religious duty, control, and integration into Spanish society.
Explanation:
Imposing Roman Catholicism on indigenous populations was a fundamental element of Spanish conquest due to the intertwined goals of religious conversion and colonization. The Spanish monarchs, influenced by their recent Reconquista victory and strong ties to the Catholic Church, viewed spreading Christianity to the New World as both a religious duty and a method of control. The use of the encomienda system and missionary efforts played significant roles in integrating indigenous communities into Spanish society through religious indoctrination.
Learn more about Spanish conquest and spread of Roman Catholicism in the New World here:
https://brainly.com/question/38316143
