 <translate> This is the relevant information: During the final stage of World War II, the United States dropped nuclear weapons on the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively. So the answer is nuclear weapons. <yor> Ìsọfúnni tó ṣe kókó nìyí: Nígbà tí Ogun Àgbáyé Kejì ń parí lọ, orílẹ̀-èdè Amẹ́ríkà ju àwọn ohun ìjà runlérùnnà sí ìlú Hiroshima àti Nagasaki lórílẹ̀-èdè Japan ní August 6 àti August 9, ọdún 1945. Nítorí náà, ohun ìjà runlérùnnà ni ìdáhùn náà. 