 Ferreyra did not show himself in the forefront of local politics until Posse's resignation, in June 1863, victim of the confrontations between federals and Unitarians in the province.Córdoba's federalism was not finally defeated until the end of the 1860s; and then it did not disappear, but joined some other minority factions to form the National Autonomist Party, which would govern without opposition until 1916.After Posse's resignation, the legislature elected his minister Benigno Ocampo in his place, which overtook Ferreyra by one vote.