I think the one that Native American Groups most threatened by is :
Diseases introduced by white settlers
Back then, they're forced out of their original place because of this
hope this helps
B. The colonists should separate from Britain because Britain does not protect the colonists' rights
Explanation:
Herodotus wrote about the wars between Persia and Greece. Thucydides wrote about the civil war between Athens and Sparta. Together these ancient Greek writers became the first true historians in Western civilization.
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