Why do Eastern European countries use different alphabets?

Most Eastern European countries share the same Slavic ethnicity, language, and heritage. However, Eastern European nations do not all share the same writing system. The fact that Eastern Europe is divided between Cyrillic script and Latin script sparks the question: Why do Eastern European countries use different alphabets? Join the discord server here:   / discord   Sources: https://www.britannica.com/topic/Lati... https://www.britannica.com/topic/Cyri... https://www.britannica.com/biography/... https://www.britannica.com/event/East... https://www.europeantimes.news/2022/0... https://www.dw.com/en/kazakhstan-to-c...