instruction:
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.
question:
This man achieved full power within his party at the Zunyi Conference. That conference occurred while this man and other members of his party were traveling from Jiangxi (jee-AHNG-shee) to Yanan as part of the Long March. This leader's third wife was part of an influential group that was named the Gang of Four. This ruler was responsible for his country taking part in the (*) Great Leap Forward and the Cultural Revolution. For 10 points, name this political rival of Chiang Kai-shek who was the first leader of Communist China.
answer:
History

question:
This quantity for an atomic nucleus is determined using Weizscker's [VAHYTS-zek-uhrs] formula. The no hair theorem states black holes are completely characterized by their angular momentum, charge, and this quantity. The oscillation period of a spring equals two pi times the square root of this quantity over the spring constant. The theoretical value of this quantity for gluons is zero. Linear momentum equals this quantity times velocity. For 10 points, name this quantity measured in kilograms.
answer:
Science

question:
This composer's operatic collaborations with Abbate Giulio Convo include Irene, Il Giustino, and his first opera, Ottavia Restored to the Throne. He wrote two notable masses labeled "Quator Vocum" and "La Stella", or "The Star". His most notable works include a set of thirty didactic keyboard pieces entitled Essercizi. Although his works were catalogued by Giorgio Pestelli and Alessandro Longo, the authoritative version of his works was compiled by Ralph Kirkpatrick, giving them the K. numbers. FTP, name this Italian keyboardist and composer of a set of five hundred fifty-five keyboard sonatas, the son of opera composer Alessandro.
answer:
Fine Arts