“Modern humans' group.minded interdependence thus served to spread human sympathy and helping to all in the group, best characterized as a sense of loyalty to the group. As a consequence, there emerged in modern humans a distinctive in-group/out-group psychology.” CrimeMoralityOrganizationInstitutionsBiasEvolutionary PsychologyCohesionCoalitinaryIn GroupOut Group Book:A Natural History of Human Morality Source: A Natural History of Human Morality