Chieftains, if any, had strictly restricted powers; some tribes did with no chieftains altogether. This prepolitical sort of social organization should still be present in some locations of the planet, such as the Amazonian jungle in South The usa or even the higher Nile River valley in Africa. activation energy https://ecograntscheme.home.blog/2025/07/20/eco-grants-uk-how-to-qualify-for-a-government-insulation-grant/