Answer:
The United States was not justified in launching two atomic bombs on Japan, in my opinion. The United States was intercepting messages about Japan surrendering months before the bombs were launched because Japanese commanders understood they had been soundly defeated. Their single condition of surrender was that they be allowed to keep their emperor, and strangely, they were permitted to keep their emperor after the bombs were dropped and Japan “officially” surrendered, so it wasn't like the US had any issues with their terms of surrender.
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