Which of the following restricted Old Regime combatants to protracted and indecisive operational struggles? A. Logistical restraints, lack of divisional organization and specialized staffs, undisciplined and unmotivated troops, and few reliable reconnaissance units. B. Old Regime armies were generally highly trained and staffed but lacked the political will to risk their armies to decisive combat. C. Old Regime armies never employed logistical trains to support their armies, so they were hampered by soldiers constantly foraging for food