Question

Here is another one that I need help with

Answer 1

The national barrier separating the former soviet bloc and the west prior to the decline of the communism that followed by the political events in Europe in 1989.  

Answer 2

It is A. The Iron Curtain was an imaginary boundary set up during the times of March 5th, 1946. The boundary divided  Europe in the west and the Soviet Union and its Communist one-party states in the east.