United Nations (UN), international organization established immediately after World War II. It replaced the League of Nations. In 1945, when the UN was founded, there were 51 members; 192 nati...

United Nations Development Program (UNDP), agency of the United Nations, established in 1965 to unify the operations of the Expanded Program of Technical Assistance and the United Nations Spec...

United Nations Industrial Development Organization (UNIDO), specialized agency of the United Nations. Headquartered in Vienna, it was organized in 1966 and made a specialized UN agency in 1985...

United Nations Educational, Scientific, and Cultural Organization (UNESCO), specialized agency of the United Nations, with headquarters in Paris. Its counterpart in the League of Nations was t...

United States, officially United States of America, republic (2005 est. pop. 295,734,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third largest coun...

National bank, in the United States, financial institution of a class authorized by Congress in acts of 1863 and 1864. The acts were intended to provide a way of marketing the large bond issue...

League of Nations, former international organization, established by the peace treaties that ended World War I. Like its successor, the United Nations, its purpose was the promotion of interna...

National Education Association (NEA), organization of professional educators in the United States, with almost 2.5 million members. The NEA was founded (1850) as the National Teachers Associat...

United Service Organizations (USO), organization that supplies social, recreational, welfare, and spiritual facilities to members of the armed services. The associated agencies include the YMC...

National Socialism or Nazism, doctrines and policies of the National Socialist German Workers' party, which ruled Germany under Adolf Hitler from 1933 to 1945. In German the party name was Nat...