Which organization did UN replace?

What is the name given to the group of countries using the euro? Who is secretary general of WTO? What are some other forces that continue division among European Union? What does OHIM stand for? Where is the world trade organization situated? Full form of UNICEF? What is the budget of The Heritage Foundation? Is euroscepticism a left wing or right wing issue? The main body of the United Nations is called the? When was United Nations Truce Supervision Organization created? When did Vietnam become the member of UN? What European country is 53N and 8W? What agreement between nations to help each other called an? How many countries were added to the United Nations from about 1946 to 1969? Many airlines donate change found in seats and foreign coins that travelers no longer need to a charity twa gives the foreign coins donated on international flights to unicef the donations total 14? Was Spain an original member of NATO? Why was the League of Nations created who created it? What organization was created during World War 1? How well did the League of Nations keep peace in the world during the 1930s? What does the abbreviation NATO mean?