かく兵器 へいき禁止 きんし条約 じょうやくであれば
kakuheikikinshijōyakudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 核兵器禁止条約

1. If the Treaty on the Prohibition of Nuclear Weapons; If there were a Treaty on the Prohibition of Nuclear Weapons

Ba Conditional