South American cuisine pizza, being closer to calzones. Pasta and polenta are common in Argentina and on the Pampas generally. Empanadas and choripán are very popular fast food in Argentina and Uruguay. Churros, ensaïmada, alfajor, Spanish tortillas with potato, meatballs, sopa de mondongo, and puchero are Spanish derived Pampas cuisine. Mate is also found on the Pampas. Early South American restaurants in the United States included Caso do Brazil in Reseda, California, which opened in 1955, and the Machu Picchu nightclub in Miami, Florida, which opened in 1963, serving Peruvian dishes such as ceviche and anticuchos. South American foods are increasingly imported into
Argentina–Uruguay border former Eastern Band of the rest of the Viceroyalty of Rio de La Plata. Depending on the presence of this river, the border between Uruguay and Argentina was not disputed. From 1815 to 1816 the government of the United Kingdom of Portugal, Brazil and the Algarves (Brazil before independence) tried to annex the region of the current Uruguay to Brazil. This occurred with the Brazilian victory against Uruguay during the Battle of Tacuarembó in 1820. The region was called Province of Cisplatina of already independent Empire of Brazil. It was echoed by Uruguayan supported by troops from Argentina on 25