Respuesta :
Answer: Most likely, its D
Explanation: "Truman stated that his decision to drop the bomb was purely military. A Normandy-type amphibious landing would have cost an estimated million casualties. Truman believed that the bombs saved Japanese lives as well. Prolonging the war was not an option for the President." It says "As well" which in this case would mean the lives of both the Japanese and Americans. Hope this helps! Here is a link that might also help :) 1)https://quizlet.com/128482157/unit-9-flash-cards/
2) https://socratic.org/questions/how-did-truman-justify-the-use-of-the-atomic-bomb
-Edit- looking back at this, he did use the bomb, so d may not be the best choice but these links will hopefully help. sry for the wrong answer ;/
Sorry for this whole long paragraph but I do hope I helped you a bit! :D