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: MYTHS & LEGENDS
Clue: Ovid coined the name of this Greek god of dreams as an allusion to the forms seen in dreams

SOLUTION: morpheus

PROBLEM: Category: THE 19th CENTURY
Clue: 1853 purchase that brought the contiguous U.S. about up to its present area

SOLUTION: the gadsden purchase

PROBLEM: Category: ORGANIZED LABOR
Clue: Under this arrangement, labor and management agree to let a third party settle their dispute

SOLUTION:
arbitration