<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.mkataba huo unaizuia marekani kutengeneza silaha mpya, lakini marekani sasa itaanza kutengeneza silaha hizo mpaka pale russia na china watakapo kubali kuacha kumiliki au kutengeneza silaha hizo, trump amesema.  <response>: the u.s. will begin developing them unless russia and china agree not to possess or develop the weapons, trump said. 