Final answer:
The World Trade Organization (WTO) is the organization that guides the nations of the world toward free trade and open markets.
Step-by-step explanation:
The organization that has a goal to guide the nations of the world toward free trade and open markets is the World Trade Organization (WTO). The WTO was established in 1995 and succeeded the General Agreement on Tariffs and Trade (GATT). Its main objective is to support international trade, reduce trade barriers, and resolve trade disputes between countries.