The M4 Sherman was a medium tank used by the United States Army during World War II. It was one of the most widely produced tanks of the war, and it played a crucial role in the Allied victory. The Sherman was known for its reliability, its powerful 75mm gun, and its relatively low cost of production. It was also equipped with a variety of other weapons, including machine guns and a coaxial gun. The Sherman was used in all theaters of war, and it was particularly effective in North Africa, Europe, and the Pacific.