Let any one then, who imposes great privations on his men because great objects demand such a trial of endurance, always bear in mind as a matter of prudence, if not prompted to it by his own feelings, that there is a recompence for such sacrifices which he is bound to pay at some other time.
We have now to consider the difference which takes place in respect to the question of subsistence in war, according as the action is offensive or defensive.
The defensive is in a position to make uninterrupted use of the subsistence which he has been able to lay in beforehand, as long as his defensive act continues. The defensive side therefore can hardly be in want of the necessaries of life, particularly if he is in his own country; but even in the enemy’s this holds good. The offensive on the other hand is moving away from his resources, and as long as he is advancing, and even during the first weeks after he stops, must procure from day to day what he requires, and this can very rarely be done without want and inconvenience being felt.
This difficulty is felt in its fullest force at two particular periods, first in the advance, before the decision