2. Message was that Europe was divided into two ideologically divided parts, and that spreading of Communism from the east is presenting a great danger for democratic regimes in Western Europe.
Explanation:
The famous speech was delivered after WW2 when Churchill expressed his attitude that Europe is totally ideologically divided.
It was a introduction to the period known as Cold War, when countries of Eastern Europe, led by Soviet Union were confronted by western democracies, with a goal to stop the spreading of communism.
Not so sure about the shape . i do know however its a cold and a warm front spinning around and around maybe that might answer depending on the question