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[Avatar: The Last Airbender/Legend of Korra]How would the Fire Nation have reacted to airbenders spontaneously reappearing as they did during Harmonic Convergence if they had won the Hundred Year War?

We saw in Legend of Korra that the spirit powers in the Avatar world trend towards harmony. When balance was eventually restored to the world random people who never had bending before became airbenders in every part of the world.

The Fire Nation had originally wiped out the Air Nomads in an attempt to kill the Avatar and break the cycle. Whether the Avatar cycle is broken or not is it possible for Raava's forces to be victorious in the war for light and shadow that only happens every 10,000 years if the Fire Nation wins the Hundred Year War?

Whether it takes 10,000 years or not the airbenders should eventually be restored one way or another. What would the victorious Fire Nations official policy be towards them?

Do the people of the Fire Nation hate the Air Nomads enough after the war that they would persecute new airbenders? Or would they be understanding because it was their family and friends?
gpt
Something to remember about Harmonic Convergence was that it mostly occurred the way it did due to A) Unalaq putting his thumb on the cosmic scales and B) Korra making the call to leave the spirit gates open. This was by no means a guarantee, especially if Phoenix King Ozai won his duel with the Avatar and Republic City was never founded. Airbending could well have remained a lost art for such a long span of time that the Fire Nation would cease to exist as a political entity, and quite frankly if there is no Republic City, no Red Lotus, and no Avatar Korra it likely *would* have remained a lost art.

That being said, imagine being Phoenix Queen Azula and having airbending reappear without explanation in your old age. There probably hasn't been an Avatar in years (a victorious Fire Nation means a dead Aang and possibly a couple other dead Avatars) and earth- and waterbenders have probably also been exterminated, and suddenly the guys your great-grandfather was famous for annihilating (remember, Fire Nation history is warped around this understanding that the Air Nomads turned militant) have suddenly begun to pop up again? Well, it would be something destabilizing for the regime. Whether the average citizen was okay with these new airbenders (and probably earthbenders and waterbenders) would be irrelevant because they'd be ideologically threatening to Azula's regime (or the regime of her children) just by existing. Any surviving ethnic or state groups would (quite understandably) see the return of airbending as a sign that the spirits were on their side, and the event would likely become the catalyst for another war.