Quote Originally Posted by Rhyfylwyr View Post
There's a heck of a lot of difference between regional variations in things like popular culture/dress/accents etc on the one hand, and entirely different cultures with completely different religions/values/social structures on the other.
Uhhhhhhhhhh... right. Vlad was using the Eastern and Western US seaboards as an example, which is what I was addressing. In the case you didn't notice or something.

Though AFAIK what you're describing has also been achieved without people murdering each other meaningfully more than normal for the era, so yeah.