History of Paraguay its capital, and Río de la Plata, with headquarters in Buenos Aires. With this decision, Asunción lost control of the Río de la Plata estuary and became dependent on Buenos Aires for maritime shipping. In 1776, the crown created the Viceroyalty of Río de la Plata; Paraguay, which had been subordinate to Lima, now became a provincial outpost of Buenos Aires. Located at the periphery of the empire, Paraguay served as a buffer state. The Portuguese blocked Paraguayan territorial expansion in the north, native tribes blocked it – until their expulsion – in the south, and the Jesuits blocked it
History of Paraguay (to 1811) those of the Jesuits. Tensions between the natives and the Europeans grew steadily during the last years of the 18th century. Almost no archaeological research has been done in Paraguay, and the pre-Columbian history of the country is amazingly documented. What is certain is that the eastern part of the country was occupied by Guaraní Indians for at least 2 years before the Spanish conquest. Evidence indicates that those indigenous inhabitants developed a fairly sophisticated level of political autonomy, with quasi-sedentary, multivillage chiefdoms. The recorded history of Paraguay began indirectly in 1516 with the failed expedition of Juan Díaz de