The Vietnam veterans were looked at as bad people. Many people thought that The Vietnam war shouldn't have happened. Also the Vietnamese didn't surrender no matter what. So the Vietnam Vets were changed because they saw military forces from a whole different place who would one after the other come (knowing they didnt have a chance) fight and die without surrendering.
Christian monks lead a life away from the average society which is based on the spiritual disciplines of obedience, silence, vigils, good works, fasting, chastity, confession and prayer. This pillars of God oriented behavior make them have an inner existence instead of being in touch with the corruptions of the ordinary world.
Placed legal restrictions on rulers who had once held absolute power.