Answer :
Nato, or the North Atlantic Treaty Organization, is a military alliance founded in 1949 by 12 countries, including the United States, the United Kingdom, Canada, and France.
Is NATO a defense pact?
The North Atlantic Treaty Organization (NATO) is a mutual defense agreement formed by the United States and 11 other countries to deter Soviet attack against Western Europe. Throughout the Cold War, NATO was the primary US-led military alliance against the Soviet Union.
Thus, Option A is correct about NATO.
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