english: One is in nomadic, hunter-gather societies that often shift camp and that are physically incapable of transporting old people who can't walk when the able-bodied younger people already have to carry their young children and all their physical possessions.
non_english: Eno so nomadske,  lovsko-nabiralniške družbe, ki se pogosto selijo in fizično ne morejo nositi starih, ki ne morejo hoditi, saj morajo zdravi mlajši ljudje nositi svoje majhne otroke in vso svojo lastnino.