What is the definition of Promoting Weapon?

"Promoting a weapon is like telling someone to dance in the middle of a nuclear war zone. It's all about spreading the idea that maybe, just maybe, we can turn a conflict into a symphony of fireworks without blowing up the world."

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Edgy example sentence: "Our new line of peace-promoting weapons is sure to turn the world into a global stage for synchronized squawks and accidental detonations."