The development of the throwing-spear, together with ambush hunting techniques, made potential violence between groups very costly, dictating conflict avoidence, groups moving apart as far as possible to alleviate resource competition.
The development of the throwing-spear, made potential violence between groups very costly, dictating conflict avoidence. This was together with ambush hunting techniques. Dictating conflict avoidence was groups. These groups were moving apart as far as possible to alleviate resource competition.