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.

A 1975 constitutional crisis resulted from its bicameral parliamentary system, in which the Government is formed in the House of Representatives but the Senate can block supply, and from the fact that it is not a republic. After the Senate rejected Prime Minister Gough [GOFF] Whitlam's budget, Whitlam was dismissed by the Queen's representative, Governor-General John Kerr. FTP, what federation of 6 states and 2 territories, now led by Prime Minister John Howard, is the world's 6th-largest country and smallest continent
Social Science

Melamine resin is formed by dehydration of this compound, while barbiturates can also be formed by addition of this compound to malonic acid. Other uses of this compound include separation of racemic mixtures. Originally produced by a reaction between silver cyanate with ammonium chloride, it is now made in indusrial quantities by heating carbon dioxide with ammonia. When arginine is split, it forms an ornithine molecule and a molecule of this; the principal end product of mammalian nitrogen metabolism. First isolated by H.M. Rouelle, FTP, name the compound used to disprove the theory of vitalism when, in 1828 Friedrich Wohler, first synthesized it from inorganic materials.
Science

Reaction of these compounds with a strong acid may produce a tri-alkyl oxonium salt. Allyl aryl ones can undergo the Claissen Rearrangement, and the smallest cyclic member of this group is ethylene oxide, while cyclic poly- ones are known as "crown. "  Members of this class of chemicals can be produced by dehydroxation of alcohols or by alkoxide nucleophilic displacement on an alkyl halide, which is known as the Williamson synthesis. FTP, name these chemical compounds defined by the presence of an oxygen bonded to two alkyl groups and perhaps best known for their diethyl variety, which is a notable anesthetic.

Science