Gaitán was elected president in 1950. Gaitán was less incendiary than his former speeches. While he tried to introduce many social measures, he was a clever politician that managed to keep support from the Colombian oligarchies and from the United States. New FUR (Frente Unido de la Revolución/United Revolution's Front) guerrilla group appears in Low Magdalena river. Two casualties from confrontation with police forces. FUR lider, Vicencio Claro calls for a military uprising against the parties system. After a short but bloodthirsty attack on positions of FUR in Tolima and Valle del Cauca during 1951 March-September, the FUR initiates negotiations with national government at January 1952, at March the FUR deceases military operations in Ibagué, Tolima and signed a peace agreement be