Answer:
b. the kievan state was cut off from trade routes.
c. the kievan state converted to christianity.
e. the kievan state adopted the cyrillic alphabet.
Step-by-step explanation:
The influence of the Byzantine Empire made various changes in the Kievan state. The Byzantine Empire introduces the religion of Christianity in the state while on the other hand the adoption of Orthodox Christianity was decisive in the development of a literate culture in the kievan state. Due to Byzantine Empire, the kievan state was totally cut off from trade routes located in the regiion.