Yes, it is in South America and has Spanish as its dominant language.
Argentina
Argentina and Chile are.
Argentina, the Latin word meaning is 'of Silver'
Venezuela, Argentina
The tip of south America closest to Antarctica is Argentina.
Mexico, Brazil, Argentina and Venezuela have such form of government.
There is no country in South America where Judaism is even close to dominant. Every Latin American country is over 80% Catholic. Argentina, however, has the largest percentage and number of Jews of any Latin American country at 0.7% of Argentina's population and 210,000 Jews.
Argentina
Argentina is a country in the South American continent.
Argentina
argentina
In terms of volume, it would be Brazil. In terms of income per capita, that would be Argentina.