I have to wonder how that would have worked out before modern times. Ancient North America was not a wilderness; it was a crazy quilt of tribes and states and

I have to wonder how that would have worked out before modern times. Ancient North America was not a wilderness; it was a crazy quilt of tribes and states and alliances, all bumping against each other. Crossing from present-day New York to Vancouver in CE 700 you would have run into at least a dozen major ethnic groups, each of which would have needed to decide what to do with you.