General Douglas MacArthur favoured continuing the bombing of Japan and following up with a massive invasion, codenamed Operation Downfall. They advised Truman that such an invasion would result in U.S. casualties of up to 1 million (Ross, A. 2007). The reason for the first bombing to be justified was to shorten the war. But on moral ground, this act cannot be justified. Many people viewed the use of the atomic bomb as inhumane and unnecessary. The co-pilot of the Enola Gay, Robert Lewis wrote in his diary shortly after his plane dropped the bomb on Hiroshima: "My God, what have we …show more content…
The main evidence and motives display that the USA was justified to drop the first atomic bomb to shorten the Second World War and to save lives and costs. But the second atomic bomb was only to show that they could produce more bombs in quantity and used intimidate the Soviet Union, which was not necessary. Japan had already lost the war and was going to surrender. The use of the bombs had an immense effect on our Japan and the rest of the world and still remain one of the most debated and controversial decisions in