sentences:  Fellow Sonoran De la Huerta challenged Calles in a massive and bloody uprising, supported by other revolutionary generals opposed to Calles.The De la Huerta rebellion was crushed, but the outbreak of violence was only a few years after the apparent end of the Mexican Revolution, raising the specter of renewed violence.Calles succeeded Obregón in 1924, and shortly thereafter he began enforcing the restrictions on the Catholic Church in the 1917 Constitution, resulting in a huge rebellion by those opposed to such restrictions, known as the Cristero War (1926–29).