 This means that unlike places like Egypt, Djenné-Djenno was not highly stratified and evidence for a very wealthy ruling class has never been found.This urban configuration incentivized peaceful reciprocity between the communities, which in turn caused the communities to specialize further leading to the prosperity of the community as a whole.It is hypothesized that clusters held people of similar ethnic groups and craft specializations, which would set the city up for extensive trade and growth.