WHAT IS FORTIFICATION?

A raid is a surprise attack mission which has a specific purpose.   It is not normally intended to capture and hold territory.  In a raid, the surprise attackers quickly retreat after they have attacked the specific area of their mission.  Raids can be by land, air, or sea.

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HOW WAS FORTIFICATION USED IN WORLD WAR I?

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WHY WAS FORTIFICATION USED IN WORLD WAR I?

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ADVANTAGES AND DISADVANTAGES OF FORTIFICATION

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