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 reformed the fyrd militia system so that it fought in shifts, allowing for the creation of a standing army without disrupting agriculture. In addition to establishing the burhs system of forts, this man built a secret military base on the swamp island of Athelney. This mans advisors included Bishop Asser, who wrote an early biography of him. This author of the so-called doom book won control of all territory west of Watling Street when he won the Battle of Edington against Guthrum the Old. Apart from translating many religious works into English, he is best known for ending the Danegeld. For ten points, name this King of Wessex, the only English monarch with the epithet the Great.
answer:
History


question:
This reaction is combined with an aldol condensation to produce cyclohexenones in a process named for Robinson, and a variation of this uses silyl ethers and titanium tetrachloride, in a reaction named also for Mukaiyama. In a process analogous to this reaction, performed with simple ketones, the equilbrium is shifted towards the reagents, unlike in the Claisen and aldol condensations, necessitating the use of an enolate in conjugate addition to produce the 1,4-addition. For 10 points, what is this reaction named for an American chemist, which consists of the addition of a carbanion to an alpha, beta unsaturated carbonyl
answer:
Science


question:
One work by this composer was written for cellist Wilhelm Fitzenhagen and includes seven variations on a rococo theme. One opera by this man includes a famous "letter scene" in which Tatyana writes to the title character, who kills Lensky in a duel. This composer of Eugene Onegin used the celesta to depict the "Dance of the Sugar Plum Fairy" in a work in which the title object leads an army of gingerbread soldiers. For 10 points, name this Russian composer of the ballets Swan Lake and The Nutcracker.
answer:

Fine Arts