Iron curtain

We liked the plain people of Russia wherever we met them. […] We were behind the "iron curtain" at last!

In the east the iron curtain behind which, unseen by the eyes of the world, the work of destruction goes on, is moving steadily forward.

An iron curtain is drawn down upon their [Russia's] front. We do not know what is going on behind.

From Stettin in the Baltic to Trieste in the Adriatic an iron curtain has descended across the Continent.

Indeed, rail traffic of all kinds is developing through the Iron Curtain – for instance, last year a total of 6,445 wagons controlled by Interfrigo, the international company for refrigerated transport, passed between East and West; […]

Justice is giving ground to the forces of evil. These developments have confused the camp of freedom and abetted the growth of Communism. Even so, the fierce struggle for freedom of the people shut behind the Iron Curtain and the support for their emancipation provided by peace-loving people outside the Iron Curtain have never ceased despite the buffeting from waves of appeasement.

Now, we are not in a new Cold War. We don't see the descending of a new Iron Curtain, but we have moved back very, very sharply in the wrong direction. We must work with the many Russian democrats still functioning in and out of government, in and out of Parliament, in and out of the business community, to make the dream of a Russian democracy become a reality.

[…] Christopher Hill, one of the Western critics whose works were cited and appreciated behind the Iron Curtain throughout the decades of state socialism.

The coup d'etat also constituted an iron curtain for the social scientists.