appear to the assailant much more difficult than they really are, and they become therefore a greater clog on his action.
Suppose, for instance, an attack which is not intended to end in a great solution, and which is not conducted with thorough energy, we may be sure that in carrying it out a number of little obstacles and accidents, which no theory could calculate upon, will start up to the disadvantage of the assailant, because he is the acting party, and must, therefore, come first into collision with such impediments. Let us just think for a moment how often some of the insignificant rivers of Lombardy have been successfully defended!—If, on the other hand, cases may also be found in military history, in which the defence of rivers has failed to realise what was expected of them, that lies in the extravagant results sometimes looked for from this means; results not founded in any kind of way on its tactical nature, but merely on its well-known efficacy, to which people have thought there were no bounds.
- It is only when the defender commits the mistake of placing his entire dependence on the defence of a river, so that in case it is forced he becomes involved in great difficulty, in a kind of catastrophe, it is only then that the defence of a river can be looked upon as a form of defence favourable to the attack, for it is certainly easier to force the passage of a river than to gain an ordinary battle.
- It follows of itself from what has just been said that the defence of a river may become of great value if no great solution is desired, but where that is to be expected, either from the superior numbers or energy of the enemy, then this means, if wrongly used, may turn to the positive advantage of the assailant.
There are very few river-lines of defence which cannot be turned either on the whole length or at some particular point. Therefore