Answer:
The Cyrillic alphabet derived from the Cyrillic script, which is a writing system created by disciples of Cyril & Methodius to bring together Vikings who migrated to Eastern Europe under the Eastern Churches and to separate Orthodoxy from Catholicism;
it has been used throughout Eurasia and it's still used in Eastern Europe, Central Asia, North Asia and The Caucasus;
it's basically a combination of Egyptian, Hebrew and Greek, but it also evolved from Egyptian all the way through Phoenician and Greek and more to become the standard script system for Slavic languages such as: Russian, Belarusian, Bulgarian, Ukranian, Polish, Czech, Serbian, Croatian, Bosnian Montenegrin, Macedonian and others.
Step-by-step explanation: