Final answer:
Option (1), Spanish missionaries aimed to convert Indigenous peoples to Christianity and have them adopt Spanish culture, aligning with the broader colonial strategy of integrating natives into Spanish societal norms.
Step-by-step explanation:
In the context of Spanish colonial policies in the Americas, Spanish landowners and mine owners needed Indigenous peoples to work in their enterprises, while Spanish missionaries had a different objective. These religious figures sought to convert the Indigenous peoples to Christianity and integrate them into Spanish culture. Thus, the correct answer is 1) convert, culture as Spanish missionaries wanted Indians to convert to Christianity and adopt Spanish culture.