It is also known by its French acronym, OTAN. The treaty for which the alliance is named has 14 articles that all NATO members must follow. Perhaps the most significant is Article 5, which ...

BRUSSELS, BELGIUM - APRIL 03: The national flags of NATO member states are blowing in the wind in front of the NATO headquarters on April 03, 2024 in Brussels, Belgium. [Janine Schmitz/Getty ...