This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
I believe this would be segreation.
This is a very sad thing that went on and can still continue to go on when the whites were segregated from the blacks.
hope this helps!
How was the Dual Monarchy organized?
Under th agreement, Austria and Hungary were separate states. Each has its own constitution and parliament. Francis Joseph ruled both, as emperor of Austria and king of Hungary. The two states also shared ministries of finance, defense, and foreign affairs, but were independent of each other in all other areas.