Novel phylogenetic methods reveal that resource-use intensification drives the evolution of “complex” societies

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Authors

Erik Ringen, Jordan Scott Martin , Adrian Jaeggi

Abstract

Explaining the rise of large, sedentary populations, with attendant expansions of socio-political hierarchy and labor specialization (collectively referred to as “societal complexity”), is a central problem for social scientists and historians. Adoption of agriculture has often been invoked to explain the rise of complex societies, but archaeological and ethnographic records contradict simple agri-centric models. Rather than a unitary phenomenon, “complexity” may be better understood as a network of interacting features, which in turn have causal relationships with subsistence. Here we use novel comparative methods and a global sample of 186 nonindustrial societies to infer the role of subsistence practices in shaping complexity. We also introduce a phylogenetic method for causal inference that generalizes beyond two binary traits, lifting a major constraint on comparative research. We found that, rather than agriculture alone, a suite of resource-use intensification variables leads to broad increases in technological and social differentiation. Our study provides evidence that resource intensification is a leader, not a follower, in the rise of complex societies worldwide.

DOI

https://doi.org/10.32942/osf.io/wfp95

Subjects

Anthropology, Other Anthropology, Social and Behavioral Sciences

Keywords

complexity, cross-cultural, phylogenetic, subsistence

Dates

Published: 2021-03-24 01:53

License

CC-By Attribution-ShareAlike 4.0 International