Detailed Instructions: 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 he received medical treatment from the Englishman H.F. Fynn, this ruler allowed Europeans to settle at Port Natal. This man was succeeded by his half-brother Dingane, who killed this ruler after this man ordered his people not to plant crops after the death of his mother Nandi. Officers called indunas and short stabbing spears called iklwas are some of the military innovations he introduced along with his creation of the (*) ""buffalo horn"" formation. For 10 points, name this African warrior who oversaw the expansion of the Zulu kingdom.
A:
Social Science