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),
Brazil–Uruguay relations Flores organized an armed uprising against the Blanco president, Bernardo Prudencio Berro. Flores won backing from Brazil and, this time, from Argentina, who supplied him with troops and weapons, while Berro made an alliance with the Paraguayan leader Francisco Solano López. When Berro's government was overthrown in 1864 with Brazilian help, López used it as a pretext to declare war on Uruguay. The result was the Paraguayan War, a five-year conflict in which Uruguayan, Brazilian and Argentinian armies fought Paraguay, and which Flores finally won, but only at the price of the loss of 95% of his own troops. Flores