Question

Vikings named the _______________________ came to eastern Europe from
Scandinavia. (Carpathians/Rus)

Answer 1

I don't know if you still need this answer but it would be Rus.

Explanation:

It was after 840 that Scandinavian Vikings who were known in Eastern Europe as “Varangians” or “Rus” established Viking rule over Slavic tribes in what came to be called Kievan Rus