<P> For Ageclass in forestry see Timber metrics </P> <Table> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> Political and legal anthropology </Th> </Tr> <Tr> <Td> Basic concepts (show) <Dl> <Dt> Status and rank </Dt> </Dl> <Ul> <Li> Ascribed status </Li> <Li> Achieved status </Li> <Li> Social status </Li> <Li> Caste </Li> <Li> Age grade / Age set </Li> <Li> Leveling mechanism </Li> </Ul> <Dl> <Dt> Leadership </Dt> </Dl> <Ul> <Li> Big man </Li> <Li> Patriarchy </Li> <Li> Matriarchy </Li> <Li> Pantribal sodalities </Li> <Li> Chief </Li> <Li> Paramount chief </Li> </Ul> <Dl> <Dt> Polities </Dt> </Dl> <Ul> <Li> Band society </Li> <Li> Segmentary lineage </Li> <Li> Tribe </Li> <Li> Chiefdom </Li> <Li> House society </Li> <Li> Ethnic group </Li> <Li> Theatre state </Li> </Ul> <Dl> <Dt> Law and custom </Dt> </Dl> <Ul> <Li> Customary law </Li> <Li> Legal culture </Li> </Ul> </Td> </Tr> <Tr> <Td> Case studies (show) <Dl> <Dt> Acephelous </Dt> <Dd> Societies without hierarchical leaders </Dd> </Dl> <Ul> <Li> African Political Systems </Li> <Li> Papuan Big man system </Li> <Li> The Art of Not Being Governed </Li> </Ul> <Dl> <Dt> State </Dt> <Dd> Non-western state systems </Dd> </Dl> <Ul> <Li> Negara </Li> <Li> Mandala </Li> </Ul> <Ul> <Li> Technology, Tradition, and the State in Africa </Li> </Ul> <Dl> <Dt> Legal systems </Dt> </Dl> <Ul> <Li> Kapu </Li> </Ul> <Dl> <Dt> Colonialism and resistance </Dt> </Dl> <Ul> <Li> Europe and the People Without History </Li> <Li> Cargo cult </Li> </Ul> </Td> </Tr> <Tr> <Td> Related articles (show) <Ul> <Li> Circumscription theory </Li> <Li> Legal anthropology </Li> <Li> Left--right paradigm </Li> <Li> State formation </Li> <Li> Political economy in anthropology </Li> <Li> Network Analysis and Ethnographic Problems </Li> </Ul> </Td> </Tr> <Tr> <Td> Major theorists (show) <Ul> <Li> E. Adamson Hoebel </Li> <Li> Georges Balandier </Li> <Li> F.G. Bailey </Li> <Li> Fredrik Barth </Li> <Li> Jeremy Boissevain </Li> <Li> Robert L. Carneiro </Li> <Li> Henri J.M. Claessen </Li> <Li> Jean Comaroff </Li> <Li> John Comaroff </Li> <Li> Pierre Clastres </Li> <Li> E.E. Evans - Pritchard </Li> <Li> Wolfgang Fikentscher </Li> <Li> Meyer Fortes </Li> <Li> Morton Fried </Li> <Li> Ernest Gellner </Li> <Li> Lesley Gill </Li> <Li> Ulf Hannerz </Li> <Li> Thomas Blom Hansen </Li> <Li> Ted C. Lewellen </Li> <Li> Edmund Leach </Li> <Li> Ralph Linton </Li> <Li> Elizabeth Mertz </Li> <Li> Sidney Mintz </Li> <Li> Sally Falk Moore </Li> <Li> Rodney Needham </Li> <Li> Marshall Sahlins </Li> <Li> James C. Scott </Li> <Li> Elman Service </Li> <Li> Aidan Southall </Li> <Li> Jonathan Spencer </Li> <Li> Bjorn Thomassen </Li> <Li> Douglas R. White </Li> <Li> Eric Wolf </Li> </Ul> </Td> </Tr> <Tr> <Td> Social and cultural anthropology </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table>

Which of the following is true of the age grades in african societies