"世界通史列出的這些軍人反對對日本用原子彈，都純粹從軍事角度" - 沒有可信的證據。看大英百科全書的觀點

https://www.britannica.com/topic/Trumans-decision-to-use-the-bomb-712569

" In later years, several key figures, including General Dwight D. Eisenhower, General Douglas MacArthur, Admiral William Leahy, and Assistant Secretary of War John J. McCloy, claimed to have opposed using the bomb, but there is no firm evidence of any substantial contemporary opposition."