Brazil Brazil. However, the decentralized and unorganized tendencies of the captaincy colonies proved problematic, and in 1549 the Portuguese king restructured them into the Governorate General of Brazil, a single and centralized Portuguese colony in South America. In the first two centuries of colonization, Indigenous and European groups lived in constant war, establishing opportunistic alliances in order to gain advantages against each other. By the mid-16th century, cane sugar had become Brazil's most important export, and slaves purchased in Sub-Saharan Africa, in the slave market of Western Africa (not only those from Portuguese allies of their colonies in Angola and Mozambique),
Angola–Brazil relations Jesuit priest Gonçalo João succinctly stated the importance of the economic relationship between Brazil and Angola as "Without Angola, there is no Brazil". Angola was a major source of slaves to Brazil, which was, out of the several European colonies in the Americas, the largest single importer of slaves during the Transatlantic Slave Trade. Two-thirds of those slaves in Brazil originated from the Angola-Congo region. Rio de Janeiro depended on the consistent influx of slaves from Angola to work on sugar cane plantations and for re-exportation to Buenos Aires in exchange for silver. Exports from Brazil to Angola in exchange