Of course, with an AVERAGE age of death of 25, and given a very high rate of death perinatally and at about weaning (say 1 year to five years) you are, in fact, looking at most who DO make it to adulthood living to be much older than 25. But, yes, countries were run, wars fought, by men and women in their teens and twenties, and usually run very efficiently.
Of course, with an AVERAGE age of death of 25, and given a very high rate of death perinatally and at about weaning (say 1 year to five years) you are, in fact, looking at most who DO make it to adulthood living to be much older than 25. But, yes, countries were run, wars fought, by men and women in their teens and twenties, and usually run very efficiently.