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| | NapoleonGames.com: Games by Operational Studies Group. |
 | | For this purpose an army of observation should be formed, whose business it is never to lose sight of the enemy, and which, while it effectually bars all access to the place, has always time enough to arrive upon his flanks or rear in case he should attempt to steal a march. |
 | | It is to be remembered, too, that by profiting judiciously by the lines of contravallation, a portion of the besieging army will always be available in giving battle to the approaching enemy. |
 | | Upon the same general principle, when a place is to be besieged in presence of an enemy's army, it is necessary to cover the siege by lines of circumvallation. |
| www.napoleongames.com /maxim_strategy.html (2050 words) |
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