為何聯合國會指明三個國家不能擁有核武?

因為德國, 意大利, 日本 發動2次大戰
這3國是戰敗國

Because they lost in the WW2, and they are forced to sign that they will never have nuclear weapon in some sort of agreement!

因為德國, 意大利, 日本曾是發起二戰的邪惡軸心國。