He has experienced the harsh winter of fearsome Russia.

The Russian Empire was a nation that existed from 1721 to 1917.

He has many Russian friends.

He played Russian roulette, risking his life.

The Russian Federation has a vast territory.

He can speak Russian fluently.

He is a renowned political scientist who has written many important papers.

We should avoid the politicization of sports.

It is not appropriate to politicize this issue.

He is majoring in political science at university.