In essence, the higher your army’s morale, the more reliable they’ll be without you. If your army has high morale ... killing 100 soldiers, or defeating an enemy in a duel.

But in Richmond, Lee sought to inspire his troops by drawing upon Virginia's storied military tradition ... extraordinary high morale, a belief they can’t be conquered. But at the same time ...

which threatens its future military operations, writes the American think tank Institute for the Study of War (ISW) in a recent analysis. It adds that morale within the Russian military community ...