World Trade Organisation (WTO)
Syllabus: Describe the objectives and functions of the WTO.
What is the WTO?

There
are a number of ways of looking at the WTO. It’s an organization for
liberalizing trade. It’s a forum for governments to negotiate trade
agreements. It’s a place for them to settle trade disputes. It operates
a system of trade rules. (But it’s not Superman, just in case anyone
thought it could solve — or cause — all the world’s problems!)
Above all, it’s a negotiating forum … Essentially,
the WTO is a place where member governments go, to try to sort out the
trade problems they face with each other.
Link to full explanation
For a complete list of WTO member countries see: http://www.wto.com/about/member-countries/