The early Eastern European Slavic civilization at Kiev
adopted the Eastern Orthodox religion, the Cyrillic alphabet, and certain
styles of art and architecture as a result of trade with the Byzantine Empire.
So the correct option for this question is option “4”. Literacy was given great
preference in the Byzantine Empire and that is the reason behind the high
number of literate people in this Empire. Most military personnel, Clergy,
manufacturers and merchants had a minimum primary education as their
educational base.