sentences:  Not only was a unified rebellion effort against the oppressive regime of slavery prevented in Bahia by the tensions between Africans and Brazilian-born African descendants, but ethnic tensions within the African-born slave population itself prevented formation of a common slave identity.Escaped slaves formed maroon communities which played an important role in the histories of other countries such as Suriname, Puerto Rico, Cuba, and Jamaica.In Brazil the maroon settlements were called "quilombos" and the most famous was "Quilombo dos Palmares".