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]: One author from this country wrote about a nave village boy recruited to fight in a civil war in his "novel in rotten English," Sozaboy. Another author from this country was awarded the 1991 Booker Prize for his best known work, The Famished Road. Another novel by an author from this nation is No Longer at Ease, which recounts the firing of a government worker, Obi Okonkwo, whose similarly named grandfather was the protagonist of the novel Things Fall Apart. For 10 points, name this nation of Ken Saro-Wiwa, Ben Okri and Chinua Achebe.
[A]: Literature

[Q]: title character of one of his operas sings of being a ruler in "Del pi sublime soglio", which sees Vitellia sing of her anger and grief in "Deh se piacer" and "Non pi di fiori. " For 10 points each: [10] Name this composer of La Clemenza di Tito and Il Re Pastore, both works with libretto by Metastasio.
[A]: Fine Arts

[Q]: This organ produces a tetrapeptide, which bonds to macrophage receptors, and is known as tuftsin. The sinusoids of one portion of this organ contain blood and a reserve of monocytes which can be utilized in the case of hemorrhagic shock. The other major portion of this organ contains Malphigian corpsules and synthesizes antibodies. Located in the abdominal region and consisting of red and white pulp, for 10 points, name this organ part of the lymphatic system that helps to filter and clean the blood.
[A]:
Social Science