The province received the name official from Eastern Republic of Uruguay, after promulgated the constitution, in 1830, having been elect president Don Fructuoso Rivera, rival of don Juan Antonio Lavalleja, of where the political parties had appeared Blanco, of Lavalleja, and Colorado, of Rivera, whose rivalry would respingaria later in the War of Tatters, in Brazil. Lavalleja tried to assume the power to the force, when it discovered that Roses, dictator of Argentina was made use to help it financial and militarily. From 1832, it also started to receive military aid from Brazil with the ammunition, weapons, provisions and men, through Blessed colonel Gonalves Da Silva. Rivera took to the knowledge of Manuel de Almeida Vasconceloses, person in charge business-oriented of the Empire of Brazil, in Montevidu, in September, which denounced the activities of Blessed Gonalves, also with intention to integrate the provvicia of the Rio Grande Do Sul to Argentina. The Brazilian government was with difficulties and detreminou that Blessed Gonalves was not become involved in the external questions, but in 1834 it invaded Uruguay in company of Lavalleja, with 111 Brazilians and 50 Uruguayans.
In 1834, Blessed Gonalves was accused with revolt and to conspire for the emancipation of the Rio Grande Do Sul in partnership with Juan Antonio Lavalleja. Acquitted in the Cut, it was received with joy, but dismissed of the Military Command of the Province of the Rio Grande. Elect provincial member of the house of representatives in 1835, the 20 of April, in the section of installation of the Provincial Assembly, was accused by the president with the province Antonio Rodrigues Fernandes Braga to conspire for the emancipation of the Rio Grande Do Sul. In 1835, Don Manuel Oribe assumed the presidency of Uruguay making opposition the Blessed Gonalves and Lavalleja, and said the Vasconcelos who Roses was supporting Blessed Gonalves. The Minister officiated to the Brazilian government of the agreement, but Blessed Gonalves initiated the rebellion that was called Farroupilha and three years later Oribe gave up being ally of Rivera and entered into an alliance it Roses, Lavalleja and Bento Gonalves. Rivera initiated a revolt but it was defeated, it entered into an alliance it farroupilhas and had invaded Uruguay. With the defeat, Oribe resigned of the presidency and was for Argentina. In the release process, Paraguay was emancipated in 1813, Argentina in 1816, Chile in 1818, Brazil, Mexico and Nova Granada in 1822, Guatemala, San Salvador, Honduras, Costa Rica and Nicaragua in 1823 and Bolivia in 1825.