Question

Russia was invaded by a group of people that cut them off from the rest of the world. Who were they? This would be during early Russian history

Answer 1

The Tatars, whom were a large threat to Russia, had cut them off from the rest of the world. Similar to Mongols (and their strategies may have been similar), they were a strong power.

I hope this helped. :)

Answer 2

it was the tartars who tried this but it only made the people want to rebel more.