Pre-Columbian era

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.

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