 
 <translate> Q: Passage: 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. The United States had dropped the bombs with the consent of the United Kingdom as outlined in the Quebec Agreement. The two bombings, which killed at least 129,000 people, remain the only use of nuclear weapons for warfare in history.

Question: Based on this passage, what kind of bomb did the us drop on japan?
Let's give stream of consciousness below
 <ibo> Ajụjụ: N'oge Agha Ụwa nke Abụọ na-agwụcha, United States tụrụ ngwá agha nuklia n'obodo ndị dị na Japan bụ́ Hiroshima na Nagasaki n'August 6 nakwa n'August 9, 1945. United States tụrụ bọmbụ ndị ahụ site na nkwenye nke United Kingdom dị ka e depụtara na Nkwekọrịta Quebec. Bọmbụ abụọ ahụ a tụrụ, bụ́ ndị gburu ma ọ dịkarịa ala mmadụ 129,000, ka bụ nanị ihe ndị e ji ngwá agha nuklia mee n'agha n'akụkọ ihe mere eme nile.  Ajụjụ: Dabere n'akụkụ akwụkwọ a, ụdị bọmbụ ka US tụbara na Japan? Ka anyị nye stream nke nsụhọ n'okpuru 