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 simplicity, answers should be in all lower cased letters.
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Question: Category: THE WORDS OF MARTIN LUTHER KING 
Clue: This 1954 "decision...will long be stenciled on the mental sheets of succeeding generations"

Answer: brown v. board of education


Question: Category: FROM B TO C 
Clue: A group of nations acting together, like the old Soviet one

Answer: bloc


Question: Category: HAY IS 
Clue: ...Animal fodder made from cereal grasses like this one, also the first name of the current treasury secretary

Answer:
timothy