In 1816 he went back to Buenos Aires, but the new Supreme Director, Juan Martín de Pueyrredón, forced him to return to exile in San Juan wheree he helped José de San Martín organize the Army of the Andes for the crossing into Chile.
He went back to Buenos Aires. This was in 1816. The new Supreme Director forced him to return to exile in San Juan wheree. He helped José de San Martín organize the Army of the Andes for the crossing into Chile. Juan Martín de Pueyrredón was the new Supreme Director.