Definition of Iron Curtain

an unstoppable blockade

Examples of Iron Curtain in a sentence

As the government agency tried to penetrate the iron curtain of the foreign country, it refused to give the agency access to their information.  

Even the expert computer hacker couldn’t break through the iron curtain of Russia’s system to determine if they meddled in our election.  

A master spy could not infiltrate the iron curtain established in this country’s government systems resulting in every single spy being captured.  

Crossing the border into the neighboring country proved impossible when an iron curtain was created to halt the entrance of any non-citizen.  

Following the war the country had such tight restrictions for entering their leadership’s organizations that no one could break the iron curtain to enter.  

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