Spanish American wars of independence important change in strategy after three United Provinces campaigns had been defeated in Upper Peru. San Martín's army became the nucleus of the Army of the Andes, which received crucial political and material support in 1816 when Juan Martín de Pueyrredón became Supreme Director of the United Provinces. In January 1817, San Martín was finally ready to advance against the royalists in Chile. Ignoring an injunction from the congress of the Río de la Plata not to move against Chile, San Martín together with General Bernardo O'Higgins Riquelme, later Supreme Director of Chile, led the Army over the Andes in
Army of the North (France) him. Jean-Baptiste Jourdan won the Battle of Wattignies in October. On 17–18 May 1794, the Army of the North won a victory at the Battle of Tourcoing while under the temporary leadership of Joseph Souham. The right wing of the army fought under Jourdan in an important victory at the Battle of Fleurus on 26 June. Soon after this, the Allied position in Flanders collapsed, leading to Austria's loss of Belgium and the extinction of the Dutch Republic in the winter of 1794-1795. During this period, the army was engaged in mopping up operations and sieges. On 25 October 1797,