Kievan Rus was a loose federation of East Slavic and Finnic peoples in Europe from the late ... He extended his control from Novgorod south along the Dnieper river valley to protect trade from Khazar incursions ... In the south, in the area around Kiev, were the Poliane, a group of Slavicized tribes with Iranian origins
Although the Maya did not unite to form a single united empire but they share some cultural elements which show that they are actually one people. These cultural elements include: customs and traditions, ways of living, language, arts, religion, writing system, architecture, trade, etc.