 Isabella was only three years old at the time so her mother, Maria Cristina of Bourbon-Two Sicilies, was named regent until her daughter came of age.Carlos invaded the Basque country in the north of Spain and attracted support from absolutist reactionaries and conservatives; these forces were known as the "Carlist" forces.The supporters of reform and of limitations on the absolutist rule of the Spanish throne rallied behind Isabella and the regent, Maria Cristina; these reformists were called "Christinos."