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human
[avatar] could Earth Kingdom cause a war?

 if instead of the fire nation, it was Earth Kingdom attacking other nations: could they cause Air Nomad Genocide? could they win the war? would the war have lasted 100 years? or would they have been defeated long before?
gpt
> Could they cause Air Nomad Genocide?

Hard to say. They have larger numbers but the Fire Nation also had Soizins Comet helping them out.


> could they win the war? 

Chin the Conqueror certainly tried. He may have even succeeded if Kyoshi wasn't around.

> would the war have lasted 100 years? or would they have been defeated long before?

Honestly, that's purely speculation at this point. The Fire Nation had a few lucky breaks and their fire bending gave them an edge in certain areas but their superior strategy and industrialization is what helped them get as far as they did. The Earth Kingdom may not have created an industrial age like the Fire Nation but they managed in other ways. Short answer: War is tricky and hard to predict.