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.
--------
Question: Category: NEWSPAPERS 
Clue: In 1868 the 1st edition of this annual reference book was published by the New York World

Answer: the world almanac


Question: Category: "E" FOR EFFORT 
Clue: To dig up, specifically the deceased

Answer: to exhume


Question: Category: THE CIVIL RIGHTS MOVEMENT 
Clue: The court case Missouri ex rel. Gaines was part of the NAACP's long challenge to segregation in these institutions

Answer:
schools