Why is it important for nations from around the world o work together?

How do you abbreviate revocable trust? What is the purpose of a memorandum of association? Why is it called the euro? What is different between WTO and IMO? Why United Nations was formed? How much money does unicef raise each year? Why did the UK and NATO get involved in Iraq? What made the United States a leader of all nations in the ladder part of the 19th century? How many languages are spoken in the European union? What joint capabilities helps shape the operational environment and keeps the day-to-day tensions between nations and groups below the threshold of armed conflict while maintaining U.S. global influen? What features did European nations need to be invited into the EU? What countries are signatories to ICAO? What were the main branches of the league of nations? How many countries are in Interpol? What was the purpose of North Atlantic Treaty Organization (NATO)? Which countries are members of the triad? Origin and objectives of SAFTA? Who is current leader of UNO? What is an organization that should limit the use or disclosure of PHI to the minimum necessary to accomplish the intended purpose? Is Dublin part of EEC?