The Westwall was a

The Westwall was a: The Westwall was a vast system of fortification in which concrete bunkers and pillboxes were peppered along a two-meter thick trench network and heavy steel obstacles built to stop tanks. Along with thousands of miles of barbed-wire obstacles and millions of mines, the Westwall was intended to act as a line of defense against the Allied invasion of Normandy, which had been just months away at the time of the war. The Westwall was overrun on D-Day, however, and was