That they may have been but you can't build a lasting society without farmable animals and general beast of burden. Those were pretty non-existent in the Americas before Columbus.
Horses, chicken, pigs, cows - all from europe or asia. Most current crop plants as well. Even the wheat was barely more than simple grass before cross pollination.
The fact that there was never trade nor maritime seafaring vessels to facilitate such even though alpacas were in mesoamerica proves that the stone age savages were so tribal that they couldn't achieve this explicitly because of their inherent behavior.
That they may have been but you can't build a lasting society without farmable animals and general beast of burden. Those were pretty non-existent in the Americas before Columbus.
Horses, chicken, pigs, cows - all from europe or asia. Most current crop plants as well. Even the wheat was barely more than simple grass before cross pollination.
in return we got corn, beans, squash, tomatos, potatos, peppers, chocolate, tobacco, passionfruit, guava, yerba mate, and several other things
The fact that there was never trade nor maritime seafaring vessels to facilitate such even though alpacas were in mesoamerica proves that the stone age savages were so tribal that they couldn't achieve this explicitly because of their inherent behavior.