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( piedra vieja)
sociedad cazadora. Sociedades cosechadoras .
Primeras herramientas de piedra dominio del fuego.
Pinturas rupestres. -
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Societatas agricolas guanadores sedimentaries.Eines agricolas i radaderes i texits i seramica.
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(or,corre,bronze i ferro)
Primeres ciutats (rebolucio orbana)instrument metall.
Infencio:Roda,arada i vela
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