Question

what important weapon was developed toward the end of world war 2? how did this change the future of war?

Answer 1

I think you mean towards the end of the First World War?

Answer 2

The Atomic Bomb.

Answer 3

Atomic bomb and it destroyed Hiroshima and Nagasaki.

Answer 4

Well if your talking about World War II, it was the atomic bomb. Since it could destroy cities in seconds to minutes. Then the Soviet Union had spies that managed to get blueprints of how the atomic bomb was made, then the USSR basically made it's own atomic bomb.