Generate a correct and concise answer for the question based on the words in the context.

Context : John Hunt Morgan (June 1, 1825 -- September 4, 1864) was a Confederate general in the American Civil War.
Question : Which war did John Hunt Morgan serve in?
American Civil War

Context : Emilia Markus, (married name Pulszky; September 10, 1860 -- December 24, 1949), was a Hungarian aristocrat, politician and the most renowned actress of her time in Hungary, known for her roles in a number of Hungarian theatrical and film productions, including Three Spinsters (1936), A tancz (1901) and Az aranyhaju szfinksz (1914).
Question : What was Emilia Markus's occupation?
politician

Context : James Chatham Duane (June 10, 1824 -- December 8, 1897) was an engineering officer in the Union Army during the American Civil War, being the Chief Engineer of the Army of the Potomac.
Question : With which military branch did James Chatham Duane serve with?
Union Army