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.

Q: One party in this conflict was led for part of it by the namesake of a battleship famous in a later conflict, the Duke of Caxias. This clash was precipitated by the ouster of Atansio Aguirre. Victory at Curupayty forestalled defeat for the eventual losers, whose fate was practically sealed after the naval Battle of Riachuelo. This war's namesake treaty was the brainchild of Bartolom Mitre, who favored the Colorado Party over the Blanco Party in Uruguay. FTP, name this conflict in which Paraguay under Francisco Solano Lpez was eventually defeated by the namesake entity, consisting of Argentina, Brazil, and Uruguay.

A: History
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Q: Vivaldi wrote 37 concertos for this instrument; the most famous of which is probably La Notte.

A: Fine Arts
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Q: This man labeled marriage as something that "must sooner or later come to pass," and had his teacher, the Earl of Bute, provide him with a list of eligible princesses before finally marrying Charlotte Sophia. Unable to form long-term alliances with such ministers as the Earl of Newcastle and George Grenville, he finally found a fruitful relationship with a man whom he would ultimately break with regarding the idea of Catholic emancipation to preserve unity with Ireland. Besides William Pitt the Younger, this man's ministers also included Lord North, who was forced out of office by a vote of no confidence after the battle of Yorktown. For 10 points, identify this British monarch, noted for his violent mental breakdown late in his life and for reigning during the American Revolution.

A:
History
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