Even monkeys and primates have it. Humans definitely have it, there are cliques, in-groups, out-groups, trying to get into various groups...it's obviously a cul

Even monkeys and primates have it. Humans definitely have it, there are cliques, in-groups, out-groups, trying to get into various groups...it's obviously a culture at each school, but since it's observed in monkeys and primates, we know it's somewhat natural for humans.