An important contribution of the Byzantine Empire to Russia is the establishment of?

An important contribution of the Byzantine Empire to Russia is the establishment of Orthodox Christianity. The conversion of Prince Vladimir of Kiev in 988 led to the Christianization of Kievan Rus, fostering cultural and religious ties with Byzantium. This influence shaped Russian art, architecture, and governance, as well as the development of the Cyrillic script, which was based on the Greek alphabet.