It was also transferred from Bulgaria and adopted by the East Slavic languages in Kievan Rus' and evolved into the Russian alphabet and the alphabets of many other Slavic (and later non-Slavic) languages. Later, some Slavs modified it and added/excluded letters from it to better suit the needs of https://ericknwxxq.angelinsblog.com/13735559/russische-sprache-zu-text-optionen