stability...uk...william conqueror got & split up land with his buddies (lords)
dont have to spend maintaining an army
instead can raise & draft an army fast
can make peasants declare their loyaty to the ling instead of their bosses the lords
rigid class structure: nobles, priests, and princes) and a peasant class ensured people didn't have to outsource for their needs
in psychology, freud, something like feudalism helped people feel secure as many may have viewed the king as a father figure