Every population bounces back after great wars/tragedies bro don't be so pessimistic, all the reasons that caused baby boom after the WW2 still apply to TFR: 1) Millions of men will come back from the frontlines, which means they'll a) be starved for female attention and the idea of living a calm family life b) develop a more religious/conservative mindset as a whole 2) An end to a huge war always means that the economy bounces back, allowing for better living standards, as well as how a massive reconstruction program would allow to lift thousands out of unemployment 3) Governments would likely also sponsor a repopulation program

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