By the Secretary General's decision

By consensus among all member countries

By voting with a simple majority

By a panel of experts

Secretary General and Deputy Secretary General

 North Atlantic Council members

Supreme Allied Commander Europe (SACEUR) and Supreme Allied Commander Transformation (SACT)

 Civilian and Military command heads

To govern international law and order 

To mediate international sports events

To ensure the freedom and security of its members through political and military means 

To control global trade

London, United Kingdom

Paris, France

Brussels, Belgium

Washington, D.C., USA

 1945

1952

1949

1961

North American Treaty Organization

North Atlantic Trade Organization

North Atlantic Treaty Organization

 Northern Alliance Treaty Organization

Provide collective defense

 Foster cultural exchange

Regulate international trade

Promote economic cooperation

Albania

Croatia

Montenegro

North Macedonia

Article 5

Article 1

Article 3

Article 7

North Atlantic Treaty

Treaty of Rome

Treaty of Paris

Treaty of Brussels