MERCOSUR
South American trade bloc established by the Treaty of Asunción in 1991 and The Protocol of Ouro Preto in 1994.
Its full members are
- Argentina
- Brazil
- Paraguay
- Uruguay
Venezuela is a full member as well but has been suspended since December 1, 2016.
Associate countries are
- Bolivia
- Chile
- Colombia
- Ecuador
- Guyana
- Peru
- Suriname
Observer countries are New Zealand and Mexico. The bloc has reduced tariffs on trade between those countries by up to 90%.