Chile Miguel Carrera (one of the most renowned patriots) and his two brothers Juan José and Luis Carrera, soon gained a wider following. Spanish attempts to re-impose arbitrary rule during what was called the Reconquista led to a prolonged struggle, including infighting from Bernardo O'Higgins, who challenged Carrera's leadership. Intermittent warfare continued until 1817. With Carrera in prison in Argentina, O'Higgins and anti-Carrera cohort José de San Martín, hero of the Argentine War of Independence, led an army that crossed the Andes into Chile and defeated the royalists. On 12 February 1818, Chile was proclaimed an independent republic. The political revolt
Army of the North and 9 artillery pieces could not deal with the 5,100 royalists and 23 artillery pieces and had to escape with about 1,000 casualties, while the royalists only counted 32 dead. Objectives were not met and the provinces were left surrounded by potential enemies. British and French could arrive by sea, Portuguese from the East and Spaniards from the North. Had they conquered Upper Perú, the biggest threat, the royalists, would have been ended. In January 1816, Lieutenant Colonel Gregorio Aráoz de Lamadrid was sent to the north, but on 31 January was defeated at Culpina. On 2 February he won