Big armies tend to defeat smaller ones, and supporting a big army requires large-scale cooperation?
Right, and also the ability to do science and engineering, the ability to frankly discuss strategy without too much political backstabbing, etc. tends to favor less-hellish societies.
Big armies tend to defeat smaller ones, and supporting a big army requires large-scale cooperation?
Right, and also the ability to do science and engineering, the ability to frankly discuss strategy without too much political backstabbing, etc. tends to favor less-hellish societies.