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 Championship of Champions admitted only the previous Copa Libertadores champions, and by FIFA's and Conmebol's sites. The aim of the organizers was to invite the champion of the most important competition of each South American country. Most notable in the competition were the host Colo-Colo, the Alfredo Di Stéfano-inspired River Plate, the Atilio García-inspired Nacional, and Vasco da Gama, the respective representatives of Chile, Argentina, Uruguay and Brazil, four countries whose clubs would go on to become the dominant powers of South American football, aggregately winning all Copa Libertadores from 1960 to 1978 and over 90% of the Copa Libertadores from 1960 to