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 for defense might depend upon the following preliminary conditions:

(a) Careful reconnaissance, for the purpose of determining the most favorable direction for the attack.

(b) Occupation of the foreground of the hostile position. When the foreground is entirely open, an advance must be made under cover of darkness up to the medium ranges.

(c) Preparation of the infantry attack by the closest coöperation of infantry and artillery.

(d) Timely determination of the point at which the decisive attack is to be made.

(e) Careful utilization of the terrain during the advance, so as to allow of delaying the opening of fire until the force is as close as possible to the enemy.

(f) Suitable disposition, distribution in depth, and deployment of a strong force for the purpose of bringing about a superiority of infantry fire. The organization detailed to make the attack must have its entire effective strength available for accomplishing its proper task, and not be compelled to detach parts for guarding its flanks.

(g) Ensuring concerted and simultaneous action on the part of the attacking forces. As the enemy has given up any idea of assuming the offensive, at least for the time being, the attacker should not allow the advantage to escape him of choosing time and direction of the attack.

3. PREPARATION OF THE ATTACK.

Reconnaissance. Preparatory Position.

"If the enemy decides to stand on the defensive, he renounces the initiative for the time being. The attacker will then have time to reconnoiter the hostile position and to weigh all the circumstances that favor the attack. He should not limit himself to reconnaissance by the cavalry and to observa