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 great impact, Bagno), Brazilian Portuguese may be a highly diglossic language. This theory claims that there is an L-variant (termed "Brazilian Vernacular"), which would be the mother tongue of all Brazilians, and an H-variant (standard Brazilian Portuguese) acquired through schooling. L-variant represents a simplified form of the language (in terms of grammar, but not of phonetics) that could have evolved from 16th-century Portuguese, influenced by Amerindian (mostly Tupi) and African languages, while H-variant would be based on 19th-century European Portuguese (and very similar to Standard European Portuguese, with only minor differences in spelling and grammar usage). Mário A. Perini, a