GENERAL KNOWLEDGE

Detailed explanation-1: -The North Atlantic Treaty Organization was created in 1949 by the United States, Canada, and several Western European nations to provide collective security against the Soviet Union. NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere.

Detailed explanation-2: -On 25 July 1949, President Truman and Secretary Acheson signed the Instrument of Accession, making the United States a founding member of NATO. The newly created Alliance worked to introduce countries to each other through educational films, brochures and other promotional materials.