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.

[EX Q]: An important critique of this work was published five years after its author's death and asserts that much of this work was based on the made-up stories of two teenagers; that critique is by (*) Derek Freeman. Published with a forward by Franz Boas, it was based on its author's time living on the island of Ta'u where she observed that teenagers living in an open and non-secretive society had relatively stress-free lives compared to their American counterparts. For 10 points, name this influential anthropology book by Margaret Mead.
[EX A]: Social Science

[EX Q]: 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.
[EX A]: History

[EX Q]: In the Peng-Robinson equation, the departure function for this quantity is equal to R times critical temperature times a function of the compressibility factor. The change in this quantity is divided by negative 2kt in the exponential of the expression giving the density of Schottky defects in a crystal. Both this quantity and the mass flow rate are held constant along a Fanno line. When a gas is forced through an insulated, porus plug, this quantity is held constant. For an ideal solution, the (*) change in this quantity upon solvation is zero. This quantity, which is held constant during a Joule-Thomson process, is equal to the internal energy plus pressure times volume. The fact that this quantity is a state function leads to Hess' Law. The change in this quantity determines whether a reaction is endo or exothermic. For 10 points, name this quantity symbolized H.
[EX A]:
Science