The tribes of Papua New Guinea are stuck in a local maximum of violent rivalry that precludes the cooperation necessary to form a new state. This is normal: new

The tribes of Papua New Guinea are stuck in a local maximum of violent rivalry that precludes the cooperation necessary to form a new state. This is normal: new states were almost always imposed by existing states. Modern justice systems are better overall, but tribal warfare offers people a way to satisfy the primal desire for vengeance, which in our societies can go forever unsatisfied.