“From invasion, which stretches from 1492 in the Caribbean to the 1880s in the United States (and is still occurring in parts of Central and South America), onward as far as the colonizers, particularly Americans, were concerned, Native Americans were faced with a choice between assimilation and extinction. This choice, forced on them through wars and policies that made other options such as resistance appear untenable, was eventually accepted as inevitable by many Native Americans.”