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.
HOW WAS FORTIFICATION USED IN WORLD WAR I?
WHY WAS FORTIFICATION USED IN WORLD WAR I?
ADVANTAGES AND DISADVANTAGES OF FORTIFICATION
