There was a time, not that long ago, when forces of the West were arrayed against forces from the East along what was called an 'Iron Curtain.' Communist nations trapped in or controlled by the Soviet Union had cut themselves off from interaction...
The late George Carlin had seven dirty words. Seven words that you weren’t allowed to say on TV. The list is probably larger now, but you can also say them on TV. At least I hear them on TV regularly. If you are intersted in what they are you can...