Pampas in cities, as industrialization picked up after the 1930s. As a result, Argentina's history of immigration in Buenos Aires Province is typically associated with cities and urban life, unlike in Entre Ríos Province and Santa Fe Province, where European immigration took on a more rural profile. Pampas The Pampas (from the , meaning "plain") are fertile South American lowlands that cover more than and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos and Córdoba; all of Uruguay; and the southernmost Brazilian State, Rio Grande do Sul. The vast plains are a natural region, interrupted only
South American Rugby Championship for those years. In 2018, the format of the tournament was changed once again: six teams (Argentina, Brazil, Chile, Colombia, Paraguay and Uruguay) would play in the top division, which was renamed to "South American Six Nations". Argentina is the most dominant nation at the South American Championships, winning 34 of 40 editions, as well as the two editions of the CONSUR Cup, and the two editions of the Sudamérica Rugby Cup. Uruguay won the tournament four times (1981, 2014, 2016 and 2017), while Chile (2015) and Brazil (2018) won the South American title once. The first edition of the