Indians forever sealed their reputation for treachery long before the English did. It wasn't until hundreds of years later that lying professors inverted the narrative.
https://en.m.wikipedia.org/wiki/Indian_massacre_of_1622 In 1622, just 3 years after America's first Thanksgiving, Jamestown colony was holding a market day and welcoming their Powhatan neighbors. At a given signal, all the Indian warriors grabbed whatever weapon, tool, or blunt object they could and started bashing the skulls of those who were mingling with them. They wiped out 1/3rd of the colony that day and were barely stopped from overrunning the gate to the actual town. They proceeded to murder, rape, or enslave every woman and child left outside, generally killing babies and the elderly for being too much of a burden.
The site of the first Thanksgiving was abandoned for another century and a half afterwards, since the colonists had to live in fortified dwellings after that. All colonist dealings with all the other tribes (justified or not, but generally justified) after was stained by the knowledge that the Indians could turn at any time and preferentially targeted women, children, and the elderly rather than warriors.
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