Intensification of agriculture and social hierarchies evolve together, study finds

A long-standing debate in the field of cultural evolution has revolved around the question of how and why human societies become more hierarchical. Some theorize that material changes to a society's resources or subsistence strategies lead it to become more hierarchical; others believe that hierarchy is the cause rather than the result of these changes. Many see the answer as being somewhere on the spectrum between these two extremes. In order to test these theories, a group of researchers from