>>103866839You're a bit off here. Ba Sing Se is merely the capital. The rest of the Earth Kingdom was still getting invaded even if the Earth Kingdom was able to do a pretty good job at resisting.
Republic city was made because the fire kingdom had had a foothold for so long that fire nation citizens started crying about being deported from land that they stole in the first place and genetics had been mixed.
Besides. Fire nation is imperial Japan. There was most definitely rape.