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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: ENGINEERING 
Clue: The motto of this 1904-1914 engineering project was "The land divided, the world united"

SOLUTION: the panama canal

PROBLEM: Category: MAY THE "FOR"s BE WITH YOU 
Clue: It was Mayor LaGuardia who nicknamed the lions outside the New York Public Library Patience & this

SOLUTION: fortitude

PROBLEM: Category: MEDICINE 
Clue: In a 1794 paper John Dalton gave the first description of this optical condition

SOLUTION:
color blindness