You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.
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Question: Category: QUOTES 
Clue: 19th C. German chancellor who spoke of "Blut und Eisen", meaning "blood & iron"

Answer: otto von bismarck


Question: Category: ENGINEERING 
Clue: The motto of this 1904-1914 engineering project was "The land divided, the world united"

Answer: the panama canal


Question: Category: FATHER KNOWS BEST 
Clue: The anthem of this country between France & Spain begins, "The great Charlemagne, my father"

Answer:
andorra