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: Melamine resin is formed by dehydration of this compound, while barbiturates can also be formed by addition of this compound to malonic acid. Other uses of this compound include separation of racemic mixtures. Originally produced by a reaction between silver cyanate with ammonium chloride, it is now made in indusrial quantities by heating carbon dioxide with ammonia. When arginine is split, it forms an ornithine molecule and a molecule of this; the principal end product of mammalian nitrogen metabolism. First isolated by H.M. Rouelle, FTP, name the compound used to disprove the theory of vitalism when, in 1828 Friedrich Wohler, first synthesized it from inorganic materials.

A: Science
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Q: Some 37 delegates were killed in Mechanics Hall in this city while drafting a new constitution. This city hosted the unsuccessful World Cotton Centennial in 1884. During the Civil War, the so-called "Women's Order" issued in this city made it a crime to insult (+) Union soldiers, although that order eventually led to the removal of Benjamin Butler as its military commander. This city fell to Union forces under the command of David Farragut in the Battle of Forts Jackson and St. Philip. French representatives (*) relinquished control of this city from its Cabildo statehouse following a massive land transfer to the US in 1803. For 10 points, name this site of a battle where General Packenham's soldiers were defeated by those under Andrew Jackson after the signing of the Treaty of Ghent ending the War of 1812.

A: History
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Q: This river contains Csepel Island and Belene Island, and the city of Sulina lies at its mouth. This river receives the Naab and Regen in Regensburg, and its primary sources are the Breg and Brigach Rivers. The Devin Castle dominates the landscape of the area where this river receives the Morava. This river receives the Tisza and Sava Rivers, and in 2010(*) toxic sludge from Hungary contaminated its waters. Rising in the Black Forest, this is, for 10 points, what river that passes through Belgrade and Budapest before emptying into the Black Sea

A:
Social Science
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