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.

Category: BUSINESS & INDUSTRY 
Clue: Holly Farms & Tasty Bird are brand names of this Arkansas-based poultry producer
tyson foods

Category: ENGINEERING 
Clue: The motto of this 1904-1914 engineering project was "The land divided, the world united"
the panama canal

Category: NOVA 
Clue: The actions of this type of ant show how it got its name

leafcutter