>>208117221Recruits under the age of 18 were commonplace before and up until the first and second world wars. The British navy in the '80s accepted as young as 17 year olds during the Falkland conflict.
"Adulthood" in a ritualistic sociological/anthropological sense for a community averaged anywhere historically from 12-15 years of age. Western society exists mostly in an age of coddled perpetual children well into mid-life even. I blame the Eternal Anglo who sold his soul to the Ewige Jude for delusional comforts.