OCM Terms:  classes

OCM Terms:  production and supply

OCM Terms:  additional bibliography, writing

OCM Terms:  exchange and transfers, internal trade, external trade

OCM Terms:  sociocultural trends

OCM Terms:  economic planning and development, annual cycle, agriculture, tillage, diet, exchange and transfers, production and supply, exchange transactions, education

OCM Terms:  acculturation and culture contact, sociocultural trends

OCM Terms:  population, sociocultural trends, records, writing, agriculture, diet, bone, horn, and shell technology, settlement patterns, medium of exchange, occupational specialization, land transport, social stratification, castes, classes, slavery, residence, territorial organization, territorial hierarchy, government institutions, form and rules of government, administrative agencies

OCM Terms:  population, sociocultural trends, writing, settlement patterns, medium of exchange, classes, social relationships and groups, territorial hierarchy, form and rules of government, political behavior, political parties

OCM Terms:  preservation and storage of food, settlement patterns, classes