USA HISTORY

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: -The Truman Doctrine demonstrated that the United States would not return to isolationism after World War II, but rather take an active role in world affairs.

Detailed explanation-3: -The North Atlantic Treaty Organization was created in 1949 by the United States, Canada, and several Western European nations to provide collective security against the Soviet Union. NATO was the first peacetime military alliance the United States entered into outside of the Western Hemisphere.

Detailed explanation-4: -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.

Detailed explanation-5: -Formed in 1949 with the signing of the Washington Treaty, NATO is a security alliance of 30 countries from North America and Europe.