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 border areas on the border between Brazil and Uruguay, which were the Brazilian Island and the Corner of Artigas (interfluve between the Quaraí River and the Arroyo Invernada). The two areas are administered by Brazil, yet are claimed for decades by Uruguay. Something that just marks the border, is the divergence of the Brazilian Island (a small island at the mouth of the river Quaraí), claimed by both, however, it does not generate fights. Brazil–Uruguay border The Brazil–Uruguay border is a strip of land located south of the southern Brazilian state of Rio Grande do Sul. It stretches for 985 km