Iron curtain and Ideological barrier

Iron curtain noun - An impenetrable barrier to communication or information especially as imposed by rigid censorship and secrecy; used by Winston Churchill in 1946 to describe the demarcation between democratic and communist countries.

Ideological barrier and iron curtain are semantically related. In some cases you can use "Ideological barrier" instead a noun phrase "Iron curtain".

Ideological barrier noun - A barrier to cooperation or interaction resulting from conflicting ideologies.

Iron curtain and ideological barrier are semantically related. Sometimes you can replace phrase "Iron curtain" with "Ideological barrier", this phrases are similar.