The World Trade Organization is a global organization made up of 164 member countries that deals with the rules of trade between nations. The goal of the WTO is to ensure that trade flows as smoothly and predictably as possible. ... If a trade dispute occurs, the WTO works to resolve it The World Trade Organization (WTO) is the only global international organization dealing with the rules of trade between nations. At its heart are the WTO agreements, negotiated and signed by the bulk of the world's trading nations and ratified in their parliaments.