The Decentralization and Gradual Decline of Kievan Rus’

The once powerful principality known as Kievan Rus’ experienced a gradual but steady decline in the thirteenth and fourteenth centuries. It is difficult to pinpoint the exact factors that led to the collapse, but it can partially be attributed to political decentralization and foreign invasions. Prior to the fall, Kievan society was characterized by uniform religion, a common language, and a common culture which kept the diverse state somewhat unified. The declining period, known as “appanage Russia”, was typified by a spreading out of political power and territories.… Read the rest here