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The evolution of lethal intergroup violence.

Raymond C Kelly1

  • 1Department of Anthropology, University of Michigan, 550 East University Avenue, 101 West Hall, Ann Arbor, MI 48109-1092, USA. rck@umich.edu

Proceedings of the National Academy of Sciences of the United States of America
|September 1, 2005
PubMed
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This study examines the evolution of lethal intergroup violence in hominids over the Paleolithic period. It identifies key turning points and proposes a periodization for this trajectory.

Area of Science:

  • Evolutionary biology
  • Archaeology
  • Ethnology

Background:

  • The Paleolithic period spans 2.9 million years.
  • Lethal intergroup violence is a significant aspect of hominid evolution.

Purpose of the Study:

  • To investigate the evolutionary trajectory of lethal intergroup violence in hominids.
  • To identify major turning points in the development of this behavior.
  • To establish a periodization for the evolution of lethal intergroup violence.

Main Methods:

  • Analysis of recent findings and data from evolutionary biology.
  • Integration of archaeological evidence.
  • Examination of ethnological records.

Main Results:

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  • Identification of key evolutionary turning points in hominid intergroup violence.
  • Proposal of a chronological framework (periodization) for this evolutionary process.

Conclusions:

  • Understanding the evolution of lethal intergroup violence provides insights into hominid social behavior.
  • The Paleolithic era witnessed significant developments in intergroup conflict dynamics.