Final answer:
The iron curtain was a metaphor for the division between communist Europe and capitalist Europe during the Cold War, but not all of Germany was on the Soviet side of it.
Step-by-step explanation:
The "iron curtain" refers to the ideological and physical separation between communist Europe and capitalist Europe during the Cold War. It was used as a figure of speech by Winston Churchill in a 1946 speech to describe the division. Contrary to the options given, not all of Germany was on the Soviet side of the iron curtain. The country was divided into East Germany (under Soviet influence) and West Germany (capitalist-aligned) along with the rest of Europe.
Learn more about The iron curtain and its impact during the Cold War