 But I would not see them as having been built because there was a state of war.They would be functional as defensive strongholds when there were tensions and undoubtedly some of them were attacked and destroyed, but this was not the only, or even the most significant, factor in their construction".There are numerous Iron Age hill forts and ancient settlement sites in the county, some of which were later reused in the Dark Ages, such as Cadbury Castle, Worlebury Camp and Ham Hill.