(A) the Mason-Dixon Line
(B) the 38th Parallel
(C) ** the Iron Curtain
(D) The Maginot Line
EXPLANATIONS BELOW
Concept note-1: -Iron Curtain, the political, military, and ideological barrier erected by the Soviet Union after World War II to seal off itself and its dependent eastern and central European allies from open contact with the West and other noncommunist areas.
Concept note-2: -Then, on March 5, 1946, at Westminster College in Fulton, Churchill’s famous words “From Stettin in the Baltic, to Trieste in the Adriatic, an iron curtain has descended across the continent, ” ushered in the Cold War and framed the geo-political landscape for the next 50 years.
Concept note-3: -During the Cold War, the division between western Europe and the Soviet bloc countries was called the “iron curtain.” The iron curtain was never a physical barrier, but served as a metaphor to describe the limit of Soviet influence.
Concept note-4: -The Iron Curtain was a metaphor for the extreme political and ideological division that separated Western Europe from the Soviet Union and its satellite states in the east.
Concept note-5: -The Iron Curtain was a barrier that divided capitalist and communist nations. This barrier was not physical but instead economic and political. On one side of the curtain, most countries were communist, and on the other side, most were capitalist.