Background
Overview
Understanding the functioning and challenges of major international security alliances, their role in maintaining global stability, and the implications of threats to such frameworks for international relations.
The North Atlantic Treaty Organization (NATO) is a military alliance established in 1949, founded on the principle of collective defence, enshrined in Article 5 of its founding treaty, which states that an armed attack against one or more of its members in Europe or North America shall be considered an attack against them all.