It wasn't all that interesting politically, but showed that they did spend alot of time on infrastructure. Noteably, in agriculture, and in road making and sending messages. Its on right now
Thanks for letting me know... I managed to catch all but the first five minutes. I found it interesting, and I liked the use of native-looking reenactors.
Why? This would have been the case in most of the world prior to the rise of civilisations. Anyway where this is the case most people are polyglots. Once a civilisation formed, the language of that civilisation would dominate and the others would die out.