Which organization did UN replace?

What is a mixed World Heritage site? What does UNESCO say about medium of instruction in mother tongue? Why was the World Health Organization made? What is the purpose of the KCC to create a between multiple domain controllers within a site as well as between sites? What is the mission statement of caricom? What organizations were created during World War 2? Who is UNESCO? Who is the president of unicef? What religion is Ban Ki Moon? What are three founding members of the Warsaw Pact? List professional societies and activities in civic public or international affairs? What was the purpose of Truman doctrine and NATO? What are the 3 letter abbreviation for Angola? How far did weaknesses in the league's organization make failure inevitable history? What was one of the earlier attempts to create an institution to promote international cooperation? When was the Bretton Woods Conference? What resources from conquered lands was a major contributor to Rome's economic growth? Which was the first eastern European country to break free from Soviet Union? Suppose a civil war has just ended in one country and the United Nations agrees to send in Blue Berets to help keep the peace. How will the United Nations get people to do this work? Who Is The Head Of The US Nation?