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As we all know the first use of nuclear weapons was when atomic bombs were dropped on Hiroshima and Nagasaki to end WW2.
While atomic weapons were discussed prewar my understanding is that respective research programmes were set up and obviously intensified due to the nature of the international situation.
If for whatever reason WW2 doesn't occur - how does that impact the development and deployment of nuclear weapons?
And a sub question - how would a non-Nazi government impact the development of a German nuclear weapons programme.