The establishment of a dual, racialized civil society was formally recognized in Estatuto do Indigenato (The Statute of Indigenous Populations) adopted in 1929, and was based in the subjective concept of civilization versus tribalism.
Stabilirea unei societăți civile separate rasial a fost reconoscută oficial prin Estatuto do Indigenato (Statutul populațiilor indigene) din1929, document bazat în mod subiectiv pe conceptul „civilizație versus tribalism”.