The speech about danger of the spread of communism and its leader Stalin, called Iron Curtain, was held by Churchill in 1946. This speech has attracted great attention around the world, and it was interpreted as a call for Western resistance to Stalin and his expansionist policies and the continuation of the war, and insisted on the special relationship between London and Washington. Not as a call for a conflict with the Soviet Union, but as an attempt to prevent the escalation of the conflict.
The answer is: C.