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.

Esperanto is one of the most famous international auxiliary languages.

He set out on a journey in search of a new world.

He set out on a journey in search of the New World.

He is interested in the history of the Old World.

His grandfather fought in the Second World War.

We all wish for world peace.

People all over the world are wishing for peace.