The EU and South American economic bloc Mercosur have clinched a huge trade deal after 20 years of negotiations.

While Boris Johnson, the likely successor to British Prime Minister Theresa May, takes his country down a path of diminished trade, the European Union is negotiating one of the largest free-trade agreements in the world. One really has to wonder what the "buccaneering" Brexiteers have to complain about.

The Southern Common Market (MERCOSUR for its Spanish initials) is a regional integration process, initially established by Argentina, Brazil, Paraguay and Uruguay.