Moore developed light movements enormously, producing a marvellous elasticity in comparatively large bodies of troops, and under his training whole regiments became as mobile and rapid in manœuvre as previously no company of a regiment had been. To swiftly reach a given point, and there bring as many rifles or muskets as possible into the firing line; to make every officer and man use his own intelligence in carrying out movements; and to impress upon them the necessity for mutual support,--were the chief aims of Moore's training; and he it was who originated for the British army that self-dependent Thin Red Line which so soon was to become the destroyer of Napoleon's deep and massive columns. For it was proved over and over again in the long war which followed, that, with opposing forces of equal numbers, the line two-deep, every man of which was so disciplined as to stand firm, and every man of which had the opportunity of using his rifle or musket, could make short work of the more condensed three-deep line, or of the column which presented a large target, and which at the same time could return the fire only from the muskets of two ranks at the contracted head of the column. It is interesting to note that Colonel Von Ehwald was a strong advocate of the two-deep line both in attack and in defence, for purposes of firing as well as for using the bayonet. "In an attack with charged bayonets," he says, "I am convinced that, if the corps drawn up in two ranks advances resolutely upon the other in three, it will not be worse off for that rank less, as the pressure of one upon the other, of which the French tacticians speak, exists only in the imagination."