USA HISTORY

Detailed explanation-1: -Behind the pillboxes were more lines of barbed wire and more trenches and dugouts reinforced with concrete to withstand artillery bombardment. Behind these defenses were still more lines of trenches that were effectively out of range of the enemy’s artillery fire.

Detailed explanation-2: -Trenches were common throughout the Western Front. Trench warfare in World War I was employed primarily on the Western Front, an area of northern France and Belgium that saw combat between German troops and Allied forces from France, Great Britain and, later, the United States.

Detailed explanation-3: -The embanked rear lip of the trench was called the parados, which protected the soldier’s back from shells falling behind the trench. The sides of the trench were often revetted with sandbags, wire mesh, wooden frames and sometimes roofs. The floor of the trench was usually covered by wooden duckboards.

Detailed explanation-4: -No Man’s Land: Trench Warfare During World War I, trench warfare was a defensive military tactic used extensively by both sides, allowing soldiers some protection from enemy fire but also hindering troops from readily advancing and thus prolonging the war.