Answer:
yes explanin your question and then I will answer it
The phrases that fill the blanks are : Eastern Orthodoxy and Tsar.
The Kievan Rus developed close ties with the Byzantines, leading early Russia to adopt Eastern Orthodoxy (This process was called the christianization of Kievan Rus). The first Russian empire revered the Roman and Byzantine empires, and adopted the title of Tsar for its emperors in honor of the former rulers in Rome.
The answer you are looking for is D
SymptomsIntrusive re experimentings repeating distress memories of the incident