Violence

Inter-species violence
Intra-species violence

Background

Violence has been documented throughout human history, with early records from ancient civilizations highlighting its disruptive impact on societies. Its global significance gained heightened attention in the 20th century, as world wars, decolonization conflicts, and rising crime rates prompted international organizations, such as the United Nations, to systematically study and address violence. Increasingly sophisticated data collection and cross-cultural research have since deepened understanding of its prevalence, patterns, and far-reaching consequences worldwide.

Claim

It has not yet been determined why chimpanzees, genetically the closest relative of man, under some conditions live peacefully and at other times practice murderous genocidal and cannibalistic "warfare". Chimpanzees do engage in predation of other species, and it is therefore an open question how far this kind of violence is related to their intra-specific violence; particularly since they often eat the other chimpanzees that they kill. The exact interplay of innate violent predispositions, ecology, resource competition, mate competition, predation and territoriality are not yet understood.

Counter-claim

Although fighting occurs widely throughout animals species, only a few cases of destructive intra-species fighting between organized groups of have ever been reported among naturally living species, and none of these involve the use of tools designed to be weapons. Normal predatory feeding upon other species cannot be equated with intra-species violence. Warfare is a peculiarly human phenomenon and does not occur in other animals.