Title: Estilo avatar
Subjects: Black people, Politics and government, Politicians, Biography, Populism, History, Blacks, Ala Negra Progressista (Brazil)
Places: Brazil, São Paulo (Brazil : State), São Paulo (State)
People: Nestor Macedo, Adhemar Pereira de Barros (1901-1969)
Time periods: 20th century, 1930-1945, 1945-1954, 1954-1964