 Complete the following phrase:  In 1859, motivated by the resurgence of Italian patriotism, he joined Garibaldi in the ranks of Hunters of the Alps to fight against the Austrians. On 3 May in Turin he formed a unit of volunteers. On 27 May he took part in the Battle of San Fermo. Nullo became widely known for the Sicilian Expedition of the Thousand, where he commanded the Iron Company or Iron Brigade. He personally supervised the enrollment of volunteers in Bergamo which, given the large number of accessions more than 10 of the total, could then boast the title of City of the Thousand. Due to his previous experience in the textile industry, he provided the red shirts used by Italian garibaldini voluntary troops at Garibaldis command, who became known as the red shirts. He was wounded in the Battle of Catalafini, but just a few days later led his soldiers in a charge at the 