Mr. Data, I’m unfamiliar with that. What’s “updog”?

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Of those languages, the population is very small and centralized to the point of being not noteworthy as a factor in language learning. This is not to mention that the map you’ve cited was a pre-contact linguistic graph, and unfortunately many of those languages have become extinct with their unique aspects lost forever to humanity. Compared to Europe, the states have become a desert of language with few natural language learning opportunities outside of English and Spanish