When Russia was under Mongol domination, the effect on Russia was to?

When Russia was under Mongol domination, the effect on Russia was to: Keep Russia isolated from Western Europe

Back then, the Mongol realized that the Empires from Western Europe (Such as the Birth and Spaniard Empire) Posed a threat to the Mongols.

The Mongols isolated Russia from these empires because they wanted to keep Russia weak and unable to form an alliance with them.