Question

What did the term iron curtain refer to...???

Answer 1

Iron curtain refer to the Iron Curtain, duh...
OR, the iron curtain refer to ideological conflict and physical boundary dividing Europe into two separate areas from the end of World War II in 1945 until the end of the Cold War in 1991.

Answer 2

The Iron Curtain is symbolic for the line dividing East and Western Europe during the Cold War. Winston Churchill created the term after the building of the Berlin Wall.