Pre-Columbian era

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Simple cairt o subsistence methods in Americae at 1000 BCE
  complex fermin societies (tribal chiefdoms or ceevilisations)

The pre-Columbian era incorporates aw period subdiveesions in the history an prehistory o Americae afore the appearance o signeeficant European influences on the American continents, spannin the time o the oreeginal settlement in the Upper Paleolithic period tae European colonisation during the Early Modren period.