Tuna-Dolphin GATT Case (I and II)
Since 1970s, there has been on going trade disputes between Mexico (and other tuna exporters) against the United States. The complaints were taken to General Agreement on Tariffs and Trade (GATT) committee and its 1995 successor; the World Trade Organization (WTO).
Source: Wikipedia — Tuna-Dolphin GATT Case (I and II) (CC BY-SA 4.0)