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.
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.