Brazilian Portuguese the last decades of the 20th century, due to the popularity of Brazilian music and Brazilian soap operas. Since Brazil joined Mercosul, the South American free trade zone, Portuguese has been increasingly studied as a foreign language in Spanish-speaking partner countries. Many words of Brazilian origin (also used in other Portuguese-speaking countries) have also entered into English: samba, bossa nova, cruzeiro, milreis and capoeira. While originally Angolan, the word "samba" only became famous worldwide because of its popularity in Brazil. After independence in 1822, Brazilian idioms with African and Amerindian influences were brought to Portugal by returning Portuguese Brazilians ("luso-brasileiros"
Brazilian Portuguese in Brazil. Despite this difference between the spoken varieties, Brazilian and European Portuguese differ little in formal writing (in many ways analogous to the differences encountered between American and British English). In 1990, the Community of Portuguese Language Countries (CPLP), which included representatives from all countries with Portuguese as the official language, reached an agreement on the reform of the Portuguese orthography to unify the two standards then in use by Brazil on one side and the remaining Portuguese-speaking countries on the other. This spelling reform went into effect in Brazil on 1 January 2009. In Portugal, the reform was