slavery in Brazil: the social relation of production adopted in Brazil from the colonial period until just before the end of the Empire

mining in Brazil: major industry in Brazil, South America

mining: extraction of valuable minerals or other geological materials from the earth

gold: chemical element with symbol Au and atomic number 79

hat: shaped head covering, having a brim and a crown, or one of these

slavery: system under which people are treated as property to be bought and sold, and are forced to work

gold panning: form of placer mining

man: male adult human

negro: historical word for black people

history painting: genre in painting defined by historical matter (see also religious painting and mythological painting)

white people: racial classification and skin color specifier