Some did.
The Thompson submachine gun, often referred to as the "Tommy Gun," was widely used during World War II. It was favored by American troops for its rapid-fire capability and .45 caliber ammunition. Additionally, it gained notoriety during the Prohibition era in the United States, where it was utilized by both law enforcement and criminals. The Thompson also saw action in various conflicts post-World War II, including the Korean War.
During World War II the United States used a couple different sub-machine guns such as the M3/A1 "Grease Gun", the infamous Thompson sub-machine gun the M50/55 Reising the M42 and the M2 "Hyde."
The British used the Vickers machine gun
The .45 Thompson sub-machine gun and M3 sub machine gun (grease gun) were used in WW2, Korea, and Vietnam War. A sub-machine gun is called a SUB machine gun because it uses "pistol" ammunition. The M3 sub-machinegun looked exactly like a grease gun; hence the name.
the weapons used are the following:arisaka and Thompson trench gun
In World War 2 there were three types of machine guns used: squad support weapon, medium machine gun, and Heavy Machine gun such as the Browning M2, and the M1919
They used sub machine guns, sniper rifles, rifles, pistols, anti tank weapons, and machine rifles. Examples: The Thompson, BAR (Browning Automatic Rifle), M1A1 Carbine, etc....
The Vickers machine gun was the primary machine gun they used in WWI.
machine guns
Allies: M1 Garand, Thompson sub machine gun Axis: Kar 98K, Mp40
M1 grand, Thompson sub machine gun, m1 carbine, 1911 pistol.