During the following days the Allies were considerably strengthened by the arrival of successive detachments of Hanoverians and of one brigade of British cavalry under General Ralph Dundas;[131] but already Murray, with his American experience, had awoke to his weakness in light troops, and was recommending the acceptance of two offers to raise corps of foreign riflemen and Polish Uhlans.[132] The primitive tactics of the French were beginning to tell. The raw levies understood war to signify the killing of the enemy—even of one man rather than none at all—and the saving of themselves. When therefore a mass of them was set in motion, the bravest men advanced, taking advantage of every shelter afforded by the ground, and did their utmost to shoot their opponents down; while the rest ran away or remained at a safe distance, to return in a fierce tumultuous swarm if the enemy showed signs of wavering, but not otherwise. ◆May 21.◆ However, on the 21st, Coburg, much rejoiced by the reinforcement of British and Hanoverians, judged himself strong enough to pursue his plan of campaign, and decided to drive the French from their camp at Famars preliminarily to the investment of Valenciennes. Meanwhile, to the general regret, Mack resigned his post on Coburg’s staff, owing partly to ill-health, partly to his sense of Thugut’s antagonism to him;[133] and the Prince of Hohenlohe, a veteran of seventy-one, was called from Luxemburg to take his place. It was, however, enough at that time that the attack should be designed by an Austrian General to ensure that it should be repugnant to all good sense.