A. April 4, 1949
B. September 1, 1966
C. December 12, 1990
D. January 20, 1950
✅ The correct answer is option A.
The NATO (North Atlantic Treaty Organisation) was established on April 4, 1949. The United States and 11 other nations establish the North Atlantic Treaty Organization (NATO), a mutual defense pact aimed at containing possible Soviet aggression against Western Europe. NATO stood as the main U.S.-led military alliance against the Soviet Union throughout the duration of the Cold War.
The NATO (North Atlantic Treaty Organisation) was established on April 4, 1949. The United States and 11 other nations establish the North Atlantic Treaty Organization (NATO), a mutual defense pact aimed at containing possible Soviet aggression against Western Europe. NATO stood as the main U.S.-led military alliance against the Soviet Union throughout the duration of the Cold War.