Question

The Soviet Union’s control over Eastern Europe during the Cold War was known as:
• The Steel Curtain
• The Iron Curtain
• The Fog of War

Answer 1

Not entirely sure how to explain it beyond telling you the "Iron curtain."

Answer 2

I thought it was that

Answer 3

The Steel curtain makes reference to the front four of the defensive line of the Steelers back in the 70s.