According to an article on CaribWorldNews, the longest running trade dispute was the deal over banana import tariffs between the Latin American banana-producing nations, United States, and the European Union.Fortunately, the trade dispute has been ended thanks to the efforts of the countries involved.
On an agreement, EU will gradually end its preferential treatment of African, Caribbean and Pacific bananas. On the other hand, Latin American countries are expected to drop over unfair trade discrimination complaints at the World Trade Organization.
More details on the full article, link below
Link: CaribWorldNews.com - Global Caribbean Daily Newswire