>Just stuff I've read over the years from various sources, I have a particular interest in industrial technology and history.

What are you working for a think tank in Oakland? Stay strange, but stay sane.

Presumably, there is some minimal population that is a necessary condition for industrialization.

Thanks for all this information about their relative achievements. This is exactly what I was wondering about. Where did you learn all of this?

Where is the evidence for this? I've never seen anything definitive.

Did they have the population for it?

Were they really there? I thought they made it to the point of being equivalent to the 15th century but never got any further technologically.

But they never found the Americas, so they didn't really have an Age of Empires