Peru–Bolivian Confederation Felipe Salaverry, who rebelled and overthrew him in 1835. Orbegoso, however, did not lose the support of southern Peru and called in to his help the president of Bolivia. It was the opportunity that Marshal Santa Cruz, himself a former president of Peru, was waiting for. The Bolivian army promptly proceeded to invade Peru. With Bolivian help, General Orbegoso quickly regained his leadership throughout the country and had Salaverry executed. As a reward for the support he had received from Santa Cruz, he agreed to the formation of the new Peru–Bolivian Confederation. Santa Cruz assumed the "supreme protectorship" of the
History of Peru since most of the presidents that ruled the country were from the social elite. During Augusto B. Leguía's periods in government [1908–1912 and 1919–1930, the latter known as the "Oncenio" (the "Eleventh")], the entrance of American capital became general and the bourgeoisie was favored. This policy, along with increased dependence on foreign investment, focused opposition from the most progressive sectors of Peruvian society against the landowner oligarchy. There was a final peace treaty in 1929, signed between Peru and Chile and called the Treaty of Lima by which Tacna returned to Peru and Peru yielded permanently the formerly rich provinces