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.

One ruler of this name employed the general Aleksy Khvost in his war against Suzdal and Novgorod, and became known as ""the red. "" In addition to that father of (+) Dmitri Donskoy, this name was borne by the man who overthrew Alexander of Tver and became rich by collecting tribute on behalf of the Golden Horde, acquiring the nickname "moneybag." The (*) third ruler of this name stopped vassalage to the Horde and was known as "the great." For 10 points, give this name for several princes of Muscovy, including the first to take the title of Russian tsar, the fourth one known as "Grozny" or "the terrible."
History

The reaction of this molecule with oxalyl chloride was the subject of pioneering photochemical work by Kharasch and Brown. Hassel's study of this molecule yielded its molecular structure and his 1943 paper "On The Conformations" of it elucidated those for the first time. Reacting it with pure oxygen forms adipic acid, which is used in the production of nylon. Its strain energy-bond angle curve has minima at twenty-three kilojoules per mole and maxima at forty-five kilojoules per mole, the former corresponding to the skew configuration, but its stable configuration is non-planar with a bond angle of about one hundred nine point five degrees. FTP, name this molecule having conformations twist, boat, and chair; a cyclic alkane with formula C6H12.
Science

This author criticized the Negritude movement with the line, ""A tiger does not proclaim its tigritude. "" In the preface to one work, this author claims that Europeans ""have no respect for what [they] do not understand"" in a conversation between Olunde and Jane Pilkings. In addition to that play focusing on Elesin's death ritual, this author depicted the seduction of Sidi by the impotent chief (*) Baroka in another play. For 10 points, name this author of Death and the King's Horseman and The Lion and the Jewel.
Literature