How did unilineal descent groups organize land ownership and political responsibilities?

In anthropology, unilineal descent groups—whether patrilineal or matrilineal—function as corporate entities that provide a framework for social, economic, and political stability, particularly in societies lacking centralized state institutions.12

Land and Property Ownership

Unilineal descent groups typically operate as corporations, meaning members exercise rights in common. Regarding property, these groups often hold land collectively rather than as individuals. In some systems, the specific type of property dictates the lineage responsible for it; for instance, a patrilineage might control immovable property like land, while a matrilineage manages movable assets such as livestock.123

Political Responsibilities

In the absence of a formal state, these lineages serve as the primary units of political organization. Members act as a single, undifferentiated unit in the "politico-jural" domain, representing the group in legal matters, litigation, feuds, and warfare. Because these groups are often exogamous, marriage serves as a vital mechanism for establishing relationships and alliances between otherwise unrelated groups, further stabilizing the social order.12