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.
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Question: He stepped down as president of his country in 1985, but continued as head of the ruling party until 1990. His government emphasized a form of rural socialism known as ujamaa, and, in 1978, troops under his leadership entered Uganda, deposing Idi Amin. After his retirement he remained active in African politics, and was known throughout the continent as Mwalimu, Swahili for teacher. FTP, identify this first president of Tanzania, who died in October, 1999.

Answer: History

Question: The future Byzantine Emporer Romanus II was at one time betrothed to his niece Hedwig, and his son married Theophano, who was either the daughter of the same Romanus II or the niece of John Tzimices. The son of Henry I, Duke of Saxony, he defeated the Magyars at the Battle of Lech in 955 and was crowned Holy Roman Emperor in 962. For ten points, name this founder of the dynasty that bears his name.

Answer: History

Question: The negotiations of Edward Thorton played an important role in the leadup to this conflict, and an initial offensive by one side stalled following a defeat at Yatai. The other side spent several months retraining under the leadership of Marshal Caxias. Venancio Flores rose to power with the support of Brazil, overthrowing the government of Atanasio Aguirre in Uruguay prior to the start of this conflict. The tide turned in this war after Pedro Meza's defeat at Riachuelo, and Bartolome Mitre refused to grant passage for the forces of one leader at the outset. For 10 points, name this conflict that saw the death of dictator Francisco Solano Lopez and the destruction of Paraguay.

Answer:
History