Answer:
Giuseppe Garibaldi has been nicknamed the "hero of two worlds" because of his involvement in conflicts in Europe and South America. One of the most notable figures of Italian unification, designed by the Republican organization Young Italy of which he was part alongside Giuseppe Mazzini and Camilo Benso, Count of Cavour. After successive wars that took place in Brazil and Uruguay, Garibaldi returns to Italy in 1848 to fight in Lombardy against the Austrian army and to start the fight for Italian unification. He formed the Italian Legion, with many recruits from Piedmont and the territories of Lombardy and Veneto, under Austrian rule. The legion increased to about 1,000 men and gained discipline and organization. Pope Pius IX called for military help from Catholic countries. Aurelio Saliceti and Montecchi left the triumvirate. Their seats were filled March 29 by Aurelio Saffi and Giuseppe Mazzini, the founder of the Young Italy movement, which had been the guiding spirit of the republic from the beginning. At the end of 1848, the Pope, fearing the liberal forces, left Rome, where Garibaldi went with a group of volunteers. In February 1849, he was elected republican deputy in the constituent assembly of the newly proclaimed Roman Republic.
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