Given the task definition and input, reply with output. 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 part of this modern day country agreed to outlaw slavery as part of the Sand River Convention. Leander Starr Jameson led a raid in this country, which was ruled by the National Party from 1948 until 1994. The Sharpeville Massacre resulted from protests against this country's pass laws, which were also a factor in an uprising in its Soweto Township. For 20 points, name this country which has been led by the ANC since 1993.
History