Complex sentence: Heroic regimental stories are used to ennoble the recruits'own unit and subordinate others in the recruit's imagination; the same stories are used to draw a contrast with inferior norms associated with civilian life.
Split into simpler sentences: Heroic regimental stories are used to ennoble the recruits'own unit and subordinate others in the recruit's imagination. The same stories are used to draw a contrast with inferior norms associated with civilian life.