A. Article 1
B. Article 3
C. Article 5
D. Article 10

Explanation:

• Article 5 is NATO’s collective-defence principle.
• It is one of the most important facts about NATO.
• The principle was reaffirmed at the 2026 Ankara Summit.
• NATO was established in 1949.

Main Point of the News

👉 Article 5 remains the foundation of NATO’s collective defence.

Related Questions

When was NATO established?

Answer: 1949

Where is NATO headquarters?

Answer: Brussels.

Exam Point

NATO → 1949 → Brussels → Article 5 → Collective defence.