"Once the mass of the defending infantry become possessed of low moral, the battle is as good as lost"

This quote by Douglas Haig suggests that the morale of the safeguarding infantry is an essential factor in identifying the result of a fight. Haig implies that if the morale of the protecting infantry is low, then the fight is essentially lost. This is since a low morale can cause an absence of motivation and a decline in the efficiency of the safeguarding infantry. Furthermore, a low spirits can cause a lack of discipline and cohesion, which can trigger the defending infantry to become chaotic and unable to successfully respond to the attacking forces. For that reason, it is vital for the protecting infantry to preserve a high spirits in order to achieve success in battle.