Concept: Identify the Zulu ruler during the period of the Great Trek.Explanation:The Great Trek took place in the 1830s–1840s.During this time, the Voortrekkers encountered the Zulu kingdom.The Zulu king then was Dingane kaSenzangakhona.He ruled after Shaka Zulu and before Cetshwayo.King Zwelithini was a later modern monarch.Answer: B. Dingane kaSenzangakhona