The term United Nations was first used by Winston Churchill and who is second

The term "United Nations" was then coined in 1942 by Winston Churchill and Franklin D.

Explanation:

The term "United Nations" was then coined in 1942 by Winston Churchill and Franklin D. Roosevelt in the Declaration by United Nations. This declaration was made to officially state the cooperation of the Allies (Great Britain, the United States, and the Union of Soviet Socialist Republics) and other nations during World War II.

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