Title: El "valle sangriento"
Subjects: History, Early works to 1800, Sugarcane industry, Slave labor, Black people, Social conditions, Blacks, Historia da america, Politica e sociedade (escravidao), Historia latino-americana, Ordem religiosa, Jesuits
Places: Ecuador, Chota River Valley, Mira River Valley (Ecuador and Colombia), South America, Mira River Valley