Which prince is credited with the Christianization of Kievan Rus? Oleg the Vampire Vladimir the Great Yaroslav the Vile Igor the Untamed None What writing system did the Kievan Rus adopt in the 10th century? Latin alphabet Greek alphabet Glagolitic alphabet Cyrillic alphabet None Which city was the capital of the Kievan Rus? Moscow Kiev St. Petersburg New York City None What was the predominant religion of the Kievan Rus after 988 AD? Roman Catholicism Paganism Eastern Orthodoxy Islam None Which cultural achievement is attributed to the Kievan Rus period? The construction of the Great Wall of China The development of the Cyrillic script The founding of the University of Paris The writing of the Old Testament None Time's up