Fortifications are militaryconstructions designed for defensivewarfare. They have been used for many thousands of years, in a variety of increasingly complex designs. The practice of improving an area's defense is also known as "fortification". Many military installations are known as forts, although they are not always "fortified".
... Henri-Philippe Petain had already signed the armistice treaty and the formation of Vichy France government had begun. De Gaulle also became a de facto leader of Free ...