GENERAL KNOWLEDGE

Detailed explanation-1: -The Washington Treaty – or North Atlantic Treaty – forms the basis of the North Atlantic Treaty Organization – or NATO. The Treaty was signed in Washington D.C. on 4 April 1949 by 12 founding members.

Detailed explanation-2: -Secretary of State Dean Acheson signs the Washington Treaty, April 4, 1949. President Harry Truman and Vice President Alben Barkley are standing next to him.

Detailed explanation-3: -Article 5. The key section of the treaty is Article 5. Its commitment clause defines the casus foederis. It commits each member state to consider an armed attack against one member state, in the areas defined by Article 6, to be an armed attack against them all.

Detailed explanation-4: -NATO was established on 4 April 1949 via the signing of the North Atlantic Treaty (Washington Treaty). The 12 founding members of the Alliance were: Belgium, Canada, Denmark, France, Iceland, Italy, Luxembourg, the Netherlands, Norway, Portugal, the United Kingdom, and the United States.