Why does northern Russia have such a cold climate?

Explanation:

The very cold winters are associated with the country's high latitudes, lack of topographic barriers, and the extensive size of land. In the northern parts of Russia, the winters are milder and characterized by frequent precipitation all through the year. These parts of the country are influenced by the Baltic Sea.

Because of the Suns rotation

Explanation:

The way the sun is pointed determines what the climate is going to be like.

each played a major role in ending the cold war.