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"
Portuguese-based creole languages There is a Portuguese dialect in Helvécia, South of Bahia that is theorized as presenting signs of an earlier decreolization. Ancient Portuguese creoles originating from Africa are still preserved in the ritual songs of the Afro-Brazilian animist religions (Candomblé). It has been conjectured that the vernacular of Brazil (not the official and standard Brazilian Portuguese) resulted from decreolization of a creole based on Portuguese and native languages; but this is not a widely accepted view. Vernacular Brazilian Portuguese is continuous with European Portuguese, and in fact quite conservative in some aspects. Academic specialists compiled by linguist Volker Noll affirm that