Scottish clan clan) this led to territorial disputes and warfare. The "fine" resented their clansmen paying rent to other landlords. Some clans used disputes to expand their territories. Most notably, the Clan Campbell and the Clan Mackenzie were prepared to play off territorial disputes within and among clans to expand their own land and influence. Feuding on the western seaboard was conducted with such intensity that the Clan MacLeod and the Clan MacDonald on the Isle of Skye were reputedly reduced to eating dogs and cats in the 1590s. Feuding was further compounded by the involvement of Scottish clans in the wars
Scottish clan to the Law of Arms, are considered an "indeterminate cadet". Scottish clanship contained two complementary but distinct concepts of heritage. These were firstly the collective heritage of the clan, known as their , which was their prescriptive right to settle in the territories in which the chiefs and leading gentry of the clan customarily provided protection. This concept was where all clansmen recognised the personal authority of the chiefs and leading gentry as trustees for their clan. The second concept was the wider acceptance of the granting of charters by the Crown and other powerful land owners to the chiefs,