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]: After allying with the khan of Chagatai and taking part in campaigns in Transoxania, this ruler would lose a "muddy battle" against Ilyas Khodja, despite fighting alongside brother-in-law Husayn of Balkh. Becoming the head of the Barlas upon the death of Tughluk, this man annihilated Tokhtamysh and the Golden Horde at the Battle of the Terek River before he overwhelmed Sultan Mehmud's forces in seizing the Delhi Sultanate. Prior to his death and ultimate succession by Shah Rukh while planning an invasion of China, he defeated the Turks at the Battle of Ankara and captured Bayezid I. FTP, name this Mongol military leader who ruled in Central Asia during the 14th century from his capital of Samarkand.
[A]: History


[Q]: The Stratton-Chu model of this phenomenon attempts to improve on earlier scalar models such as the Rayleigh-Sommerfeld theory. The equivalence of complementary arrangements in producing this phenomenon is described by Babinets principle. A simple scalar theory of this phenomenon makes use of an integral named for Kirchhoff and Fresnel, and a simple pictorial model of this phenomenon is given by Huygens principle of wave propagation. FTP name this behavior observed in electrons by Davisson and Germer, the bending of waves as they pass obstacles.
[A]: Science


[Q]: In this city, attempts to catch a serial killer resulted in the distribution of special "check cards" to citizens matching a description, which could be used to avoid a second police stop. This city's former mayor Art Agnos was wounded during an gun attack by a group of men who first used a machete to kill Quita Hague. Manuel Moore, Jesse Lee Cooks, Larry Green, and J.C.X. Simon were convicted of serial killings in this city, where the police dedicated radio channel (*) Z to the case of fourteen killings that occurred along Divisadero Street between October 1973 and April 1974 and were racially charged attacks by black gunmen on random white victims. For 10 points, name this city where the Zebra Murders took place five years before the White Night Riots protested the light sentence given to Dan White for killing George Moscone and Harvey Milk.
[A]:
History