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: The central character, a resident of the San Bernadino Arms, falls in with such characters as Harry, a purveyor of homemade silver polish, and Miguel, a Mexican breeder of fighting cocks. There's also Abe Kusich, a dwarf horse player, and Earle Stroop, an unsuccessful cowboy actor. This novel famously ends with a riot at the Persian Palace during which Homer Simpson likely dies and the protagonist Tod Hackett, barely escapes. FTP, name this short novel by Nathaniel West.

A: Literature
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Q: General Herr, who had raised the alarm prior to this battle about the decision to remove all emplaced guns smaller than 75mm, spent most of it in the Caures Woods following the "Trommelfeuer. " Historical debate exists about the veracity of the "Christmas Memo" of Falkenhayn regarding this battle, which saw a heroic stand at Fort Souville. It saw a massive supply operation from Bar-le-Duc along the (*) "Sacred Way," and turned when Robert Nivelle crucially recaptured Fort Douaumont. The Somme offensive was partially launched to relieve this attack, which saw the Germans pushed back to the banks of the Meuse. Lasting nearly a year across 1916, FTP, identify this World War I battle occuring at a site that also names an 843 treaty which divided Charlemagen's empire.

A: History
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Q: Birefringence results from these entities in the Voigt effect, while light is polarized with a rotation linearly dependent one of their components in the Faraday effect. The force exerted by them is proportional to the cross product of these entities with the velocity of a nearby charged particle, and they are expulsed by superconductors in a phenomenon discovered by Meissner. One differential equation stating that they have a divergence equal to zero, named after Gauss, is the second of Maxwell's equations. Their strength is measured in teslas and they are denoted by the letter B. For 10 points, name these entities that often surround a material that has north and south poles.

A:
Science
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