70:4.10

The clan peace chiefs usually ruled through the mother line; the tribal war chiefs established the father line. The courts of the tribal chiefs and early kings consisted of the headmen of the clans, whom it was customary to invite into the king’s presence several times a year. This enabled him to watch them and the better secure their co-operation. The clans served a valuable purpose in local self-government, but they greatly delayed the growth of large and strong nations.