All right. So in the beginning, you know, most of everything is traditional. And then probably as we get towards the Middle Ages, maybe 700 AD, 800 AD, we kind of have different worlds developing within the world. So we're going to look at two of those worlds and how they're going to both kind of transport themselves from traditional economic systems into more market-based economic systems. One of them would definitely be kind of the Middle East. And you're talking about maybe the Abbasid dynasty. So maybe 400, 500 years, 700 AD to like 1200 AD.