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I’ve been reading about the final months of the Pacific War and keep finding sharply different explanations for the US decision to use atomic bombs against Japan. Some accounts focus on avoiding an invasion; others emphasize Japan’s position, the Soviet Union’s entry into the war, or the desire to demonstrate US power.
How do historians weigh those factors against the evidence available to decision-makers at the time? I’m especially interested in how the debate has changed as more documents and personal accounts have become available.
Which sources offer a balanced starting point without treating the decision as if there were only one motive?
