NBCT Adolescence And Young Adulthood (AYA) Social Studies Practice Test

The key idea here is recognizing the early East Slavic state that served as the political and cultural center before the Mongol invasions and that carried close ties to Orthodox Christianity coming from Byzantium. The Kyivan Rus, with Kiev as its heart, was that principal realm. It emerged as the dominant Russian state, unified a number of principalities, and became the conduit through which Orthodox Christianity from Constantinople spread—Christianization in 988 under Vladimir established lasting religious and cultural links to Byzantium. This ties the state to Byzantium’s influence in worship, art, and church structure. After the Mongol invasion in the 13th century, Kiev’s prominence waned and power shifted elsewhere, paving the way for later centers like Moscow. Among the other options, Muscovy rose to prominence later, Novgorod was a powerful and influential SAMPLErepublic but not the chief centralized state in the same sense, and the Golden Horde was the Mongol empire that ruled the Rus rather than a Russian state with Byzantine ties. So, the described state is the Kyivan Rus.