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What if more/all of the various non Chinese languages that were spoken by subjects of the Chinese state/states survived (even if the ethnic groups that spoke them don't). Let's say they go through a Korea/Vietnam/Japan level of sinicisation but maintain some kind of civic Chinese identity seeing themselves as part of core China despite not speaking a Chinese language/dialect. How does this effect the cultural evolution of China? How does this effect those in China's orbit? how does it affect the wider world? What PODs could accomplish this?
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