The Browning Automatic Rifle known as the BAR and the 50 caliber Browning automatic were the most popular guns used by the Allied Forces and the US Forces. I have included a link below that has a list of weapons used by the US forces.
On aeroplanes fighting against each other & ground targets, and on the ground itself firing against enemy targets.
The World War I zeppelins were large blimps used to gain information from over enemy lines, but were slow and easy targets for artillery guns.
guns
used guns
machine guns
They all did.
1
No there is not golden guns in World at war.
the machine guns
Who all ever was involved in the war.
guns, bombs, the usual
All sides involved did.