Treaty of Defensive Alliance (Bolivia–Peru) Treaty of Defensive Alliance (Bolivia–Peru) The Treaty of Defensive Alliance was a secret defense pact between the South American countries of Bolivia and Peru signed in the Peruvian capital of Lima on February 6, 1873. The document was composed of eleven central articles, outlining its necessity and stipulations, and one additional article that ordered to keep the treaty secret until it was deemed necessary by both contracting parties. The signatory states were represented by the Peruvian Minister of Foreign Affairs, José de la Riva-Agüero y Looz Corswaren, and the Bolivian Envoy Extraordinary and Minister Plenipotentiary in Peru, Juan de la
Ilo, Peru Ilo, Peru Ilo is a port city in southern Peru, with some 67,000 inhabitants. It is the second largest city in the Moquegua Region and capital of the Ilo Province. Before the arrival of the Spanish in the 16th century, the area was populated by the people of the Chiribaya culture. The Conquistadores were given land grants by Charles V and brought olives to this area. Olive agriculture was the main crop and source of work until the early 20th century. A small settlement, Pacocha, was established by the seashore where the Osmore River (Rio Osmore) flows into the Pacific