Chile–Peru relations forces as the Confederate forces began to split on opinions and the commanding skills of Manuel Bulnes Prieto proved superior to Santa Cruz, who was killed during the battle. Following this, Peru was once again unified, and Agustin Gamarra attempted to lead an invasion to Bolivia. The attack utterly failed, Gamarra was killed, and Peru and Bolivia entered into another war. Bolivia would once again invade Peru but, without Gamarra, Ramon Castilla became the most prominent military figure of Peru and troops were soon dispatched for the defensive. The success in this defense resulted in Peruvian victories that returned both
History of Peru achieved only in the early 1900s. In 1894, Nicolás de Piérola, after allying his party with the Civil Party of Peru to organize guerrilla fighters to occupy Lima, ousted Andrés Avelino Cáceres and once again became president of Peru in 1895. After a brief period in which the military once again controlled the country, civilian rule was permanently established with Pierola's election in 1895. His second term was successfully completed in 1899 and was marked by his reconstruction of a devastated Peru by initiating fiscal, military, religious, and civil reforms. Until the 1920s, this period was called the "Aristocratic Republic",