TASK DEFINITION: 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.
PROBLEM: This dynasty sent Zhang Qian on exploring missions, and it was confronted by the Rebellion of the Seven States. The Records of A Grand Historian were written by Sima Qian during this dynasty, and after the Battle of Jushi, Emperor Wu forced the Xiongnu to become its tributaries. An interregnum by Wang Mang's Xin dynasty divides this dynasty into [*] "Eastern" and "Western" parts. It was founded by Liu Bang after the Qin dynasty and was followed by the Three Kingdoms period. Challenged by the palace eunuchs and the Daoist Yellow Turban Rebellion, for 10 points, name the Chinese dynasty after which the primary ethnic group of China is named.

SOLUTION: History

PROBLEM: This thinker derisively claimed ""the libertarian is the only believer in causation"" at the opening of his early essay ""The Ego as Cause. "" In other works, he wrote a chapter entitled ""The United States, Incorporated"" which imagined corporate takeover, and wrote about the ""free play of intelligence. "" He advocated making "nature and the science of nature the willing servants of human good,"" and stated that communication is the key to turning the "Great Society" into a "Great Community. "" His namesake Commission included men like Carleton Beals and investigated Soviet charges against Leon Trotsky. This author of "What Humanism Means to Me" wrote the previous book to rebut the claims of Walter Lippmann, who held that ""the public"" was a phantom. FTP, name this author of The Quest for Certainty, an American philosopher who wrote all kinds of works on democracy and education.

SOLUTION: Social Science

PROBLEM: 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.

SOLUTION:
Science