Atomic bomb.
During World War II, the 'best' weapon that was designed, constructed, and utilized, when measured in terms of overall power, was the atomic bomb. Through the effective (if also regrettable) use of this weapon, the world-wide conflict was finally brought to a conclusive end in August of 1945.
red and ill
The Thundergun.
They were a powerfull defensive weapon.
US
Type your answer here... THE USE OF THE AK47 A RUSSIAN WEAPON
6.5 mm Arisaka Rifle
the Fmg9 akimbo(costom) is the best secondary weapon to use
The use of mustard gas in World War One was a terrible and inhumane weapon. Gas masks were the best protection soldiers had to avoid breathing in this gas.
There is no best weapon in Call of Duty, it's all about your personal preference, if you like a weapon use it. If you don't like it, don't use it:)
Whatever weapon you think you can best hit it with.
Answer World War 1 was the war that saw the advancement of the airplane from the use as an observation platform into more versatile uses as a bomber and fighter.