But the basic idea is that it is traditional in nature. On the test I've seen Mesoamerica as kind of a traditional economic system. The spin-off from that, there's always spin-off. I really should say the big word. The big word is scarcity. In all these economic systems, what you don't have drives you to get it. And if you have a traditional economic system and it's based on agriculture and then you have some problems, like for instance, let's say that you don't have enough water for your crops.