What is "iron curtains"

Usage examples of "iron curtains".

It was the city where the most active hotbeds of Communism outside the Iron Curtains tensely coexisted with the western U.

There will be no iron curtains at the end of this fight, the governments currently prosecuting these invasions and this tyranny will cease to exist every bit as much as Nazi Germany and Imperial Japan did.

Marino drove in silence, passing through downtown where storefronts were barred with the iron curtains drawn at the end of the day.

But while the Communist governments of Eastern Europe and Asia could draw impenetrable iron curtains around their countries, hiding such things as the development of nuclear weapons and missile technology, they could not build roofs over them.