Political organization and gender predict violence in the Andean archaeological record

Abstract

The relationship between sociopolitical organization and violence remains an enduring question in anthropological research. Less studied is the articulation of gender with violence in societies of different sociopolitical organization. We investigate the frequency and type of violence experienced by adult males and females in pre-Hispanic Andean archaeological contexts, comparing exposure to antemortem (nonlethal) and perimortem (potentially lethal) violence across three categories of sociopolitical organization: autonomous communities, regional cultural formations, and states. Using a database of 8,607 adults from 169 publications and over 155 sites, we construct a multinomial logistic regression using Bayesian Hamiltonian Monte Carlo methods to fit our model. The odds of antemortem and perimortem trauma were low for both sexes. However, the odds of antemortem trauma were consistently higher for males than females in all categories of sociopolitical organization, suggesting that men were more frequently exposed to violence. Males display similar odds of cranial trauma across all forms of sociopolitical organization, while females display slightly reduced odds of cranial trauma in states compared to autonomous communities. Perimortem trauma is especially strongly patterned by sex. In autonomous communities, the odds of potentially lethal cranial trauma are equivalent between the sexes; in states, they are consistent for males, but depressed for females. In the pre-Hispanic Andes, living in states dramatically reduced the chances of encountering lethal violence for females, but not males. Our study complicates the notion that increasing sociopolitical complexity leads to decreasing interpersonal violence and highlights the importance of gender in understanding the human history of violence.

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