THE ART OF WAR IN THE MIDDLE AGES 66

How Strategy Defeats Tactical Superiority

6.9. How Strategy Defeats Tactical Superiority

So greatly did the result of the day of Poictiers affect the French mind, that no further attempt was made to meet the invader in a pitched battle during the continuance of the war. Confounded at the blow which had been delivered against their old military system, the noblesse of France foreswore the open field, and sullenly shut themselves up in their castles, resolved to confine their operations to petty sieges and incursions. The English might march through the length and breadth of the land​, ​as did the Earl of Lancaster in 1373​, but they could no longer draw their opponents out to fight. Intrenched behind walls which the invader had no leisure to attack, the French allowed him to waste his strength in toilsome marches through a deserted country. Opposed as was this form of war to all the precepts of chivalry​ which bid the good knight to accept every challenge​, they were on the whole well suited to the exigencies of the time. The tactics of Charles V and Du Guesclin won back all that those of King John had lost. The English found that the war was no longer a means of displaying great feats of arms, but a monotonous and inglorious occupation, which involved a constant drain of blood and money, and no longer maintained itself from the resources of the enemy.

Common sense, and not aphorisms drawn from the customs of the tournament, guided the campaigns of Du Guesclin. He took the field, not in the spirit of adventure, but in the spirit of business. His end being to edge and worry the English out of France, he did not care whether that consummation was accomplished by showy exploits or by unobtrusive hard work. He would fight if necessary, but was just as ready to reach his goal by craft as by hard blows. Night surprises, ambuscades, and stratagems of every description were his choice, in preference to open attacks. Provided with a continual supply of men by his free companies, he was never obliged to hazard an engagement for fear that his forces might melt away without having done any service. This relieved him from that necessity to hurry operations, which had been fatal to so many generals commanding the temporary hosts of feudalism.

The English were better fitted for winning great battles than for carrying on a series of harassing campaigns. Tactics, not strategy, was their forte, and a succession of petty sieges and inglorious retreats put an end to their ill-judged attempt to hold by force a foreign dominion beyond the Channel.

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