Respuesta :
The "iron curtain" is the US worked to stop the spread of communism. As the US would assist countries fighting communism to prevent it from spreading.
What is Iron Curtain?
The iron curtain served as a political barrier between NATO countries and the Soviet Union after WWII. Although it began as an imagined boundary dividing Western democracies from countries that supported them.
In the Soviet Union, the iron curtain eventually grew to comprise 4,300 miles of walls and fences.
Thus, option B, The United States worked to stop the spread of
communism is correct regarding Iron Curtain.
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