Union of South American Nations experience different levels of privations arriving, in extreme cases, to the absolute poverty. However, it is necessary to emphasize that poverty in South America has been reduced in a surprising way, especially in the Southern Cone and North of South America. Today, thanks to the development of many South American nations, it has allowed the world, their eyes on some governments, even forming part of economic blocs like G20 and BRICS. Although this reality is common to the entire South American group, the countries of the so-called Southern Cone (Argentina, southern Brazil, Chile, and Uruguay) present more positive socioeconomic data
Union of South American Nations meeting of South American heads of state that took place on 23 May 2008 in Brasília. In the 2004 South American Summit, representatives of twelve South American nations signed the Cuzco Declaration, a two-page letter of intent announcing the establishment of the then-named "South American Community of Nations". Panama and Mexico were present as observers. The leaders announced the intention of modeling the new community in the mold of the European Union, including a unified passport, a parliament and, eventually, a single currency. The then Secretary General of the Andean Community Allan Wagner speculated that an advanced union such as