They weren't killed, they died of diseases. As we see today with the pandemic, the respiratory illnesses were unstoppable, so you cant ascribe guilt through some assumed knowledge of proto-germ theory.

The first law is from 1512, 20 years after the discover of the Americas. Given transportation at the time it is clear that he vast majority of the troops overthrowing the Inca were recruited by the subjugated native peoples. Kinda what progressives [1] tried to do in Afghanistan. Pray, what noble accomplishment do we have to show in Afghanistan after 20 years?

The enslavement of natives was against the law of King. Ignored by criminals, sure, but the law was clear and its violators criminals.

Forced conversion to Catholicism from a blood thirst cult that stained their monuments with the blood of innocents. Ya, they were real bad for that. Btw, if you insist on cultural relativism, what were progressives doing in Afghanistan but proselytizing feminism?

[1] I used the word progressive, as opposed to Americans, on purpose as the war was a multi nation effort cheered on by people, “right” or “left” who believe we have to impose democracy and liberalism on others. I remember before 9/11 when leftist wanted to liberate Afghani women. I remember in August, when leftists were aghast we left the women behind