Symbols of Francoism right and extreme left, often degenerating into violence. On the right, the traditionalist Carlist movement revived. In 1933, the aristocratic José Antonio Primo de Rivera, son of the former dictator, founded the far-right Falange movement, similar to the Italian Fascists. In February 1934 the Falange merged with the "Juntas de Ofensiva Nacional-Sindicalista" (J.O.N.S), another right-wing group. Left-wing trade unions staged industry-wide or citywide strikes, and in Catalonia Marxist and Anarchist groups competed for power. Landless laborers seized land, occupied estates and burned churches. At a time of political crisis, on 17 July 1936, General Francisco Franco led the Spanish colonial
Francisco Largo Caballero succeeded him as head of the party and of the UGT. Moderate in his positions at the beginning of his political life, he advocated maintaining a degree of UGT cooperation with the dictatorial government of General Miguel Primo de Rivera, which permitted the union to continue functioning under his military dictatorship (that lasted from 1923 to 1930). This was the start of his political conflict with Indalecio Prieto, who opposed all collaboration with the dictatorial regime. He was Minister of Labor Relations between 1931 and 1933, in the first governments of the Second Spanish Republic, headed by Niceto Alcalá-Zamora, and