 A ban on re-election of the president was enshrined in the Constitution and in practice.Political succession was achieved in 1929 with the creation of the "Partido Nacional Revolucionario" (PNR), the political party that has dominated Mexico since its creation, now called the Institutional Revolutionary Party.One major effect of the revolution was the disappearance of the Federal Army in 1914, defeated by revolutionary forces of the various factions in the Mexican Revolution.