You have them in hunter-gatherer societies, but then through technological evolution, new forms of technology arise that facilitate or encourage the playing of non-zero-sum games, involving more people over larger territory.
Le aveam in societatile de vanatori-culegatori, dar si mai apoi, prin evolutie, apar noi forme de tehnologie care usureaza, sau incurajeaza jocurile cu suma ne-nula, care implica mai multi oameni pe un teritoriu mai vast.