In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This man's troops donned surplus slaughterhouse tunics while fighting against Juan Manuel de Rosas. In another campaign, he won at Calatafimi after landing at Marsala. He was ordered not to attack Trentino, but he earlier defeated the Neapolitans at the Volturno River. This leader of the Expedition of the Thousand allied with the prime minister of Sardinia-Piedmont, the Count di Cavour, to install Victor Emmanuel II as king. For 10 points, name this leader of the Red Shirts during the Risorgimento, the military leader behind Italian unification.
History