ofocusedonimportantritualsthatappearedtopreserveapeople,s\rsocialstructure,suchasinitiationceremoniesthatformallysignifychildren,s\rentranceintoadulthood.\r[E]Thus,inhisview,diverseaspectsofculture,suchasthestructureoffamilies,\rformsofmarriage,categoriesofkinship,ownershipofproperty,formsof\rgovernment,technology,andsystemsoffoodproduction,allchangedassocieties\revolved.\r[F]Supportersofthetheoryviewedasacollectionofintegratedpartsthatwork\rtogethertokeepasocietyfunctioning.\r[G]Forexample,BritishanthropologistsGraftonElliotSmithandW.J.Perry\rincorrectlysuggested,onthebasisofinadequateinformation,thatfarming,pottery\rmaking,andmetallurgyalloriginatedinancientEgyptanddiffusedthroughoutthe\rworld.Infact,alloftheseculturaldevelopmentsoccurredseparatelyatdifferent\rtimesinmanypartsoftheworld.
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