The Spanish treated the Native Americans unjustly because they were seen as Inferior to them. They treated the natives violently, taken some as slaves and murdered those who were not of use.
On their first contact, the natives thought the Spanish were sent from heaven but they then characterized them as devil when they started to treat them unjustly.
About the Spanish Interactions with Native Americans, the Spanish colonizers had severally attempted to integrate Native Americans into Spanish culture by marrying them and converting them to Catholicism, some of the Native Americans adopted aspects of Spanish culture while the others decided to rebel.
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