What relationship did the Slavs have with the Vikings

The Slavs invited the Viking chief Rurik to be their king and the line between Slavs and Vikings vanished.

Explanation:

In 862, he founded Novgorod, Russia's first important city. Around 880, a nobleman from Novgorod named Oleg moved south to Kiev, a city on the Dnieper River. From Kiev, the Vikings could sail by river and sea to Constantinople. There they could trade for products from distant lands. Kiev grew into a principality, a small state ruled by a prince. As it did, the Viking nobles intermarried with their Slavic subjects and adopted many aspects of Slavic culture.

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