Which organization's primary mission is to provide collective defense under Article 5, which states that an armed attack against one member is considered an attack against all?

Question

A) United Nations
B) NSA
C) NATO
D) USMCA

Answer 1

C) NATO (North Atlantic Treaty Organization) is the organization whose primary mission is to provide collective defense under Article 5, which states that an armed attack against one member is considered an attack against all.