Write it down like 10 times. And you can see that this kind of rectangular pyramid kind of structure, which has a temple in the middle, is really going to be, in a sense, like the religious city hall of Sumer life. But as time goes on and warfare increases, not only between city-states and outside nomadic tribes, barbarians that are fighting them, but between themselves, city-states fighting city-states, these city-states begin to have standing armies. So it's going to be the strong man that takes the front seat with the priest taking the back seat. And, of course, this is where we get the king idea as the strong man passes their power on to their son. So that's the very, very basics of kind of what a city-state was, ziggurat being the most important vocabulary word. And now let's take a look a little bit at their cultural life in Sumer, where the Sumerians live.