Peru was heavily indebted, and political in-fighting was again on the rise. Peru embarked on a railroad-building program that helped but also bankrupted the country. In 1879, Peru entered the War of the Pacific which lasted until 1884. Bolivia invoked its alliance with Peru against Chile. The Peruvian Government tried to mediate the dispute by sending a diplomatic team to negotiate with the Chilean government, but the committee concluded that war was inevitable. Chile declared war on 5 April 1879. Almost five years of war ended with the loss of the department of Tarapacá and the provinces of Tacna and Arica,
Protectorate of Peru this, Peru remained strongly royalist and participated in the political reforms implemented by the Cádiz Cortes (1810–1814), despite Abascal's resistance. Peru was represented at the first session of the Cortes by seven deputies and local cabildos (representative bodies) became elected. Therefore, Peru became the second to last redoubt of the Spanish Monarchy in South America, after Upper Peru. Peru eventually succumbed to patriot armies after the decisive continental campaigns of José de San Martín (1820–1823) and Simón Bolívar (1823–1825). Some of the early Spanish conquistadors that explored Peru made the first attempts for independence from the Spanish crown. They tried