Spanish is spoken in more Latin American countries than any other language.
There is no language that is spoken in all South American countries except one. You're thinking of Spanish, but Spanish is not spoken in:BrazilGuyanaFrench GuianaSurinameThe Falkland Islands
The spanish of Mexico is the most commonly spoken variety in the United States, also called North American Spanish.
Spanish is spoken in the Central American countries of Guatemala, Honduras, Costa Rica, Panama, El Salvador and Nicaragua.
It would have to be Spanish since most of the countries there have spanish as the main language.
Spanish, followed by Portuguese.
Belize. Spanish is spoken unofficially. English remains the Official Language.
Ola the 2 main languages spoken in south American nations are Spanish and portugues tchau
Spanish is spoken in many South American countries, but it is only "official" in these 7 countries: Colombia Peru Venezuela Ecuador Bolivia El Salvador Paraguay
Spanish is spoken in all 7 Central American Countries however English remains the only Official language of Belize. (most Belizeans are bilingual)