GENERAL KNOWLEDGE

Detailed explanation-1: -1. An International Security Hub: The North Atlantic Treaty Organization (NATO) is one of the world’s major international institutions. It is a political and military Alliance of 28 member countries from Europe and North America.

Detailed explanation-2: -On 4 April 1949, the foreign ministers from 12 countries signed the North Atlantic Treaty (also known as the Washington Treaty) at the Departmental Auditorium in Washington, D.C.: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom and the United States.