Which part is wrong so? The part of hunter-gatherer societies being at the brink of starvation more often than not? Or the one where they already shared tasks between them?
Edit: There is archaelogical evidence from the stone age of shared work, namely in the form quarries in which the stone for the stone tools, axes, spear and arrow tips and the like, have been collected.
Edit: There is archaelogical evidence from the stone age of shared work, namely in the form quarries in which the stone for the stone tools, axes, spear and arrow tips and the like, have been collected.