Who is the highest official of the United Nations?

When was United Nations Disengagement Observer Force Zone created? The response to the invasion of Kuwait by Iraq was? What are opinions on World Vision? What is full form of GIPSA? Which is the most recent Member State of the United Nations? What is the abbreviation for Decentralization? Which European country has most goats? Where is the city of issue on your passport? What would support the statement nations with colonies are more powerful than those without since power is needed for survival nations should create large empires? Who is UNICEF's current president? What is a linking institution? What is the name of the UNESCO world heritage site in North Ireland? What is the limit on the freedom of association? What is a united nations delivery tag registration form? When was the EU set up? When is uni-cal writing their aptitude test this year? How Ireland has changed since becomming a menber of the EU in 1971? What international organization was created in order to keep world peace as a result of World War 1? How can a firm obtain the expertise needed to produce and market its products in for example the EU? When Liberia joined the League of Nation?