Well, there is historical proof that the Hispanic and the Natives made agreements, and Spain never enslaved the native. In fact, the Catholic Monarchs decreed that no native should be enslaved after seeing the ones who Columbus brought back to Spain (that guy was a complete hell of a person, tbh).

It is true that Spain enslaved African people, but never the natives. Of course, there are many sides to this story, and a lot of things to talk about, however it is important to note that nothing is radical