> Imagine going to a new land and upon contact with the natives a sizable portion of your people always dies off while the natives stay healthy and at full figh

> Imagine going to a new land and upon contact with the natives a sizable portion of your people always dies off while the natives stay healthy and at full fighting strength. One could argue that there was at least one example of South America's 'geographic genetics' fighting back against European encroachment and winning - The Darien Scheme, which ultimately broke Scotland, enabling rule by England back home. https://en.wikipedia.org/wiki/Darien_scheme https://en.wikipedia.org/wiki/Darien_scheme