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.

[EX Q]: Cardinal Thomas Gibbons' defense of this organization would lead to Pope Leo XIII issuing an encylical, Rerum Novarum, supporting organizations of their kind. In contrast with its inclusive reputation, a chapter of this group was involved in the Seattle riots of 1886. Internal feuding following the failed Missouri Pacific railroad strike of 1886, and the emergence of a rival organization of skilled craftsmen, meant that by 1900, this organization was almost nonexistent. Name this labor organization that helped lobby for the Chinese Exclusion Act and, for 10 points, was founded by nine tailors in Philadelphia in 1869 and reached its peak under Terence V. Powderly.
[EX A]: History

[EX Q]: Works during this man's Serialist period include the choral work The Dove Descending Breaks the Air and Threni along with a piece commemorating the poet Dylan Thomas. Early in his career he wrote songs such as "The Fairy's Kiss" and The Faun and the Shepherdess along with a popular concerto for orchestra known as Fireworks. His operatic works include the one-act work Rossignol and an opera about Nick Shadow with a libretto by W.H. Auden, The Rake's Progress, but he is better known for his Psalm Symphony and ballets like Petruschka. FTP, name this Russian composer of The Rite of Spring and The Firebird.
[EX A]: Fine Arts

[EX Q]: In one novel by this author, the protagonist continually encounters threatening red-haired men before purchasing some over-ripe strawberries. In another novel by this author, Naphta and Settembrini continually debate. This author created the writer Gustav von Aschenbach, who expires on the beach after witnessing a fight between Jasiu and Tadzio. In another novel by this author, (*) Hans Castorp visits a sanatorium. For 10 points, name this German author who wrote Death in Venice and The Magic Mountain.
[EX A]:
Literature