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Painfully naive. WW2 was an existential war. The Allied powers had agreed that the only acceptable end to the war was unconditional surrender by the Axis. Combatants mobilized their entire societies to fight -- the US was spending about 40% of GDP on the military in 1945. The nuclear bomb had never been used before, so the nuclear taboo did not exist. Allied air forces had been pounding Axis population centers with conventional bombs for years, killing millions. The American invasion of Okinawa caused the deaths of approx 100,000 Japanese troops, 20,000 Americans, and 150,000 Okinawan civilians. American military planners thought that an invasion of the Japanese home islands would have similar casualty exchange ratios as Okinawa, which would leave hundreds of thousands of American troops dead, millions of Japanese troops dead, and millions of Japanese civilians dead. There were scant alternatives to the bomb. The war had to end fast, the American people demanded nothing less. Wearing down the Japanese with continued strategic bombing, a naval blockade, and the Soviet invasion of Japanese held areas on the mainland would be slow, uncertain, and cause many more deaths than the atomic bombs did. The Japanese willingness to surrender is hotly debated, so all I'll say is this: the Americans had observed constant Japanese fanaticism over the course of the war. Japanese soldiers would pretend to surrender while they clutched grenades to their chests, the surrender of Japanese units larger than platoons was nearly unheard of, and the Japanese population was basically brainwashed. A common saying on the island was "victory, or a hundred million dead souls". So given all that context -- existential war, lack of a nuclear taboo, normalization of strategic bombing, lack of belief in the Japanese will to surrender, and political pressure to end the war quickly -- dropping the bomb was inevitable. It was horrible, unfathomably cruel, and ended the innocent lives of blameless men, women, and children. It wasn't nice, fair, or honorable. But there was no better option, so we did it. |
The USA was pushing to an unconditional surrender of Japan, well aware that it was one of the few things the Japanese would deny for a surrender. Surrender was already in negotiations, it was just the unconditional part the Japanese were against to save some face with their population.
The USA wanted to drop the bomb, not negotiate, there was this new weapon that could show which nation has the biggest dick around and there was a willingness to use it as a showcase to the Soviets, to the world. And so the USA dropped the bomb.
There were other avenues to explore, Japan was already aware it was going to lose, continuing the blockade of Japan would obliterate their industrial production capacity as Japan doesn't have much natural resources, they wouldn't be able to leave the island under siege, it would've taken longer but an amphibious assault wouldn't necessarily be needed to force them into a negotiated surrender. The USA pushed the unconditional surrender as the only option exactly to have casus belli to drop the atomic bomb.
It's pretty naïve as well to believe the narrative that was pushed forward to justify dropping the bomb, it's part of American propaganda and something I wish Americans would learn from their past, the same as Japan does not educate their citizenry on the abominations they did during WW2, the USA does not educate its people on the absurdity of dropping atomic bombs and instantly vaporise hundreds of thousands of people just to show the world it had a new big dick.