It is true that, when the Viking came into Russian territory they mixed with the Slavic and that is how the Russian state was created.
A mixture of Slavic people and the Vikings (Scandinavians) made the Russian nation.
Christianity
The Frankish policy of settling them and converting them to Christianity.
Christianity
Christianity
Communism
The Vikings are thought to be the foundation of the ancient Rus' people after which Russia is named. Some Viking words and names are still used in Russia.
i dont know
influence
Austria, allied with Russia in the late 18th century had come to fear Russian influence in the Balkans. Specially after its defeat by Prussia in 1866.
The old English period was not notably influenced by the Vikings.