KnowraRio Grande do SulLinked fromLinked fromThe 4 pages that link to Rio Grande do Sul, each with the reason it gives.All 4Broader topic 2Related 1Compared with 1Treaty of Madrid (1750)Broader topic: Its frontier became a contested zone as Portugal and Spain struggled to enforce Madrid’s boundaries.Coffee with Milk politicsCompared with: Its influence, especially in later contests, complicates the notion of a two-state political monopoly.Ragamuffin WarBroader topic: The province was the rebellion’s principal base and the site of most fighting.Irineu Evangelista de SousaRelated: Mauá was born in the region in 1813.