The Chukchee people who live in the Arctic of Russia, as described in the book by Bogoras, make shelter from animal bones, make specialized and ingenious tools, hunt to live, and live very similar to how most of man has lived, just as Robinson writes here. Some things never change.
Bengtsson does a good job of describing what it would be like converting people of one belief to another. Much of the spread of Christianity had to do with how it incorporated local belief into canon. These examples could also parallel Native American peoples with the settlers.