They didn't influence the outcome of WW2. The outcome was influenced by productivity and firepower.
Which war?
The war was probably the greatest influence.
The back and forth fighting settled into a stalemate. Both sides possessed atomic weapons (Soviet & US); a negotiated truce was the answer. The Armistice was signed in 1953. An Armistice is a truce.
The use of these weapon brought about peace in the East against Japan and was the conclusion of hostilities in WW2 .
Spies especially women spies helpes influence the out come of the civil war in depth they carried very important information to and from the soldiers without women spies the whole outcome of the war could have changed
Two nuclear weapons ended World War 2.
All countries fighting in World War 2 used weapons.
It was a war.
You can't fight a war without weapons.
Aside from human, guns and bombs are the the major weapons in the world war II.
You need to tell us which war.