On all fronts. They saw service throughout the war.
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 all did.
Machine guns have a higer rate of fire and so they shoot bulets faster
the machine guns
All sides involved did.
Yes.
Germany+Japan
Who all ever was involved in the war.
The Bren light machine guns were used in World War II, the Korean war, the Falklands War and the 1991 Gulf War. Bren light guns were a series of light machine guns adopted by the British in the 1930's.
machine guns
The Vickers machine gun was the primary machine gun they used in WWI.
Yes, they did have machine guns in WW2