Brazil, officially the Federative Republic of Brazil, is the largest and the only Portuguese-speaking country in South America. It is the world's fifth largest country both by geographical area and population.
Ronaldo, a Brazilian soccer player, once comes to Springfield to point out that Lisa is flopping all the day while playing soccer what made Homer as a referee to give her a yellow card and then a red card. Ronaldo also teaches the Simpson family how to play soccer. 
The Simpsons come to Brazil for Homer to coach Soccer.