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
Peru as loose confederation of cities scattered along the coast of northern Peru and southern Ecuador, the Chimu flourished from about 1140 to 1450. Their capital was at Chan Chan outside of modern-day Trujillo. In the highlands, both the Tiahuanaco culture, near Lake Titicaca in both Peru and Bolivia, and the Wari culture, near the present-day city of Ayacucho, developed large urban settlements and wide-ranging state systems between 500 and 1000 AD. In the 15th century, the Incas emerged as a powerful state which, in the span of a century, formed the largest empire in pre-Columbian America with their capital in