TASK DEFINITION: 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.
PROBLEM: Category: DOUBLE TALK 
Clue: In the 1920s Donald Duncan introduced this child's toy to America & it's had its ups & downs ever since

SOLUTION: yo-yo

PROBLEM: Category: RED, WHITE OR BLUE 
Clue: Jack London's follow-up doggie tale to "The Call of the Wild"

SOLUTION: white fang

PROBLEM: Category: IVY LEAGUERS 
Clue: (Jimmy of the Clue Crew)  The inscribed names of Yale students killed in wars partly inspired this Yale grad to create a famous memorial

SOLUTION:
maya lin