5 There was a proliferation of regional trading arrangements in the 1990s.The European Union and the North American Free Trade Agreement in particular have commanded a great deal of world attention. There are numerous reasons for the formation of a regional trading arrangement. Some of the reasons are economic in nature, while others are political. As a policy maker for a medium-sized and developing country, list and explain the reasons that may motivate you to consider forming or joining a regional trade group.