You will be given a definition of a task first, then some input of the task.
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.

William Edgett Smith wrote a biography of this man titled We Must Run While They Walk. This man was opposed by his advisor Oscar Kambona on some of his policies, and he formed Chama Cha Mapinduzi, also known as the Party of the Revolution, which he continued to lead for five years after stepping down as president. This man appointed Ali Hassan Mwinyi as his successor, and he later backed Benjamin Mkapa as president over Jakaya Kikwete. This man was instrumental in the coup which brought France-Albert Rene to power in Seychelles, and also in installing Yusuf Lule as president of a bordering nation. The concept of ujamaa formed the basis of this man's socialist ideas, which were laid out in the Arusha Declaration, and his forces toppled the regime of Idi Amin in Uganda. For 10 points, name this African leader, the first President of Tanzania.
Output:
History