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]: Ninhydrin forms a Schiff base with this chemical, resulting in a hue known as Ruhemanns purple. The Birch reduction takes place in a liquid substrate of it, the reason it is common in methamphetamine labs. The Kjeldahl method uses this molecule as an end-product to measure the amount of nitrogen in a sample, and it is oxidized in the first step of a nitric acid forming procedure, the Ostwald process. For 10 points, name this weak base found in fertilizers, formed by combining hydrogen and nitrogen in a three-to-one ratio in the Haber process.
[EX A]: Science

[EX 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.
[EX A]: Literature

[EX Q]: His various ideological campaigns included the New Life Movement in the mid-30s and a United Front with his country's communists between 1937 and 1946. The latter came about after this man was arrested at Xi'an [SHEE-AHN] by one of his own supporters and forced to concentrate on fighting foreign invaders rather than domestic enemies. His big diplomatic success came at the Cairo Conference, where he convinced the allies to abandon their so-called "unequal treaties" with the country that he then ruled. For 10 points, name this head of the Guomindang who died in 1975 in Taiwan after being kicked out of China by Mao Zedong.
[EX A]:
History