The Use of Mathematics in the Mesopotamian Region

In the mesopotamian region, mathematics arises outt as a necessity of civilization. And that writing itself arises directly from the need to record an accounting and then over time, counting and measuring systems evolve in response to the needs of large scale state bureaucracies. So whereas people living a more hunter gatherer type existence, they might have differing needs for different kinds of quantical cognition. But once you have cities and governments and trade and stuff, that basically, numeral start becoming necessary,. right?