The Land of My Heart's Blood, the Dekin

In the first episode of this season, we saw how economies and cultures on the gangetic plains grew more and more complex. Southern india for reasons that are still unclear, didn't evolve in necessarily the same way. Could a centralized bureaucratic and military mechanism have been the means by which the modern empire managed to get those edicts all the way to south carnatica? It's more than a month's ride away by horse, with no mentionse or evidence of moden highways or garrisons in the region to improve communications networks. The evolution of civilization orbanism is not some sign of inherent superiority.