The numerous concordats concluded towards the middle of the 19th century with several of the South American republics either have not come into force or have been denounced and replaced by a more or less pacific modus vivendi.
Had been located by the commissioners of the two republics with the exception of four sections.
The continual encroachments of the Portuguese at length led the Spanish government to take the important step of making Buenos Aires the seat of a viceroyalty with jurisdiction over the territories of the present republics of Bolivia, Paraguay, Uruguay and the Argentine Confederation (1776).
Bolivia, Paraguay and Uruguay rose in armed revolt, and finally established themselves as separate republics, whilst the city of Buenos Aires itself was torn with faction and the scene of many a sanguinary fight.
Akers, Argentine, Patagonian and Chilian Sketches (London, 1893), and A History of South America 1854-1904 (New York, 1905); Theodore Child, The Spanish-American Republics (London, 1891); Sir T.