The word, tango, is Argentine Spanish and is believed to come from a term describing an African-American drum dance.
Bolivia has three official languages one of which is Spanish. The other are Indian languages one is called Aymara and the other is called Quechua. About one third of the people speak Spanish. But, most natural born Bolivians speak either of the two orignal native languages.
Quechua still exists as a language today in Argentina, Bolivia, Chile, Colombia, Ecuador and Peru with 10.4 million speakers. The language the Incas spoke was called Quechua, pronounced like 'catch-wa'. Quechua still exists as a language today in Argentina, Bolivia, Chile, Colombia, Ecuador and Peru with 10.4 million speakers. --. some of them also spoke a language known as Aymara which is similar to Quechua.