Theoretized by:

Why in our schools we taught English, which still no one has learned, but did not teach Georgian, Kazakh, Uzbek and others
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Probably because knowing the language of an ancient cultural civilization is more useful and logical than knowing the language of the wild in a kibit?
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English is the language of international communication. This is usually told in school.
There are other languages of international communication, but there are no Georgian, Kazakh, or Uzbek.
Russians living in the republics, these languages and local history were studied in the school.