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 variant of this phenomenon can be used to tune the electronic properties of boron nitride nanotubes from nearly insulating to metallic. Another variant of this phenomenon is induced by interference of standing laser waves to trap atoms of a Bose-Einstein condensate loaded into an optical lattice. Schrdinger's third article from his 1926 series of papers presented his perturbation theory treatment of this effect's modification of the Balmer and Lyman series. Along with van der Waals broadening and resonance broadening, this effect can produce pressure broadening of spectral lines. In addition to the giant version and the AC or Autler-Townes form of this effect, it exhibits variants that are linear and quadratic in the applied field. FTP name this shifting and splitting of spectral lines due to an external electric field, the analogue of the Zeeman effect.

A: Science
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Q: A failed naval expedition led by this country's Blanco Encalada resulted in the 1837 Treaty of Paucarpata, while its 1925 Constitution began its Presidential Republic period. This modern day country was captured in a campaign led by Pedro de Valdivia; that campaign saw fighting against its native Araucanian or Mapuche Indians. This country's Patria Vieja period of independence was ended at the Disaster of Rancagua. Its independence campaign was led by men like the Carrera Brothers and Bernardo O'Higgins, and the 19th century saw the flourishing of its free port Valparaiso. For 10 points, name this South American country led in the 20th century by Salvador Allende and Augusto Pinochet.

A: History
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Q: In the Odyssey, the Scherians possess a group of these objects that respond to their owners' thoughts, and Poseidon turns one of these objects to stone after Odysseus reached Ithaca. Homer notes that ten mouths and ten tongues would not suffice to describe a group of these things in a passage that doubles as a (*) list of the Greek commanders. A poem by Apollonius of Rhodes notes that one of them had a component that could speak prophetically because its material was taken from Dodona. King Aegeus committed suicide because his son forgot to change color of a part of these objects from black to white. For 10 points, name this type of vessel that Theseus used to return from Crete to Athens.

A:
Social Science
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