Elman Service 1-1

Elman Service

Studied evolution of culture phenomena. explained how civilizations evolved through various stages. 1962 book primitive social organisation and evolutionary perspective. four important stages in human civilization revolution. Band society tribal society chiefdom and state.
Believed that apart from Technology culture can develop through seasonal migration. Changing the territory or altering the territory ecology. Changing group structure. Argued that ecology changes local population not culture.

Marshall sahlins. Examine the idea of reciprocity and exchange.