I usually watched the nonAmerican guests on Top Gear even when I didn ' t know who they were they usually came to have a laugh and drive a car , but for some reason the US guests just couldn ' t relax and have fun . Anyone who ' s watched the Norton show knows what I mean . I guess the US celebrity culture makes them feel like they always have to be on . <| sep |> The Mongolian Empire however had no political or cultural traditions in common with neither VladimirSuzdal nor Kiev , and they certainly did not assimilate into the dominant culture , and were also overthrown by the descendants of Rurik and Rus . Also , VladimirSuzdal is not the main cradle of Russian culture , it was one of many principalities that made up Rus . And lastly , you do realize the amount of migration and settlement that occurred in that era was considerable , and Slavs were already in the area at latest by 920 . For the same reason that people west of the Appalachian mountains are Americans , Slavs in the area were considered Rusian as well