<span>Trench warfare is a type of land warfare using occupied fighting lines consisting largely of trenches, in which troops are significantly protected from the enemy's small arms fire and are substantially sheltered from artillery. The most famous use oftrench warfare is the Western Front in World War I.</span>
Because the art reflects what was going on in that era
<span>The Islamic Empire spread across parts of Africa, Europe, and Asia. The empire was very powerful, and also very warlike.</span>
C) The world trade organization
