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: THE BIG APPLE 
Clue: On the NYC subway this train will also take you to Harlem, but then it splits off & heads for Yankee Stadium
the b train

Category: FIRST AID 
Clue: If this is not severe, it can often be controlled by direct pressure
bleeding

Category: PERSHING 
Clue: In 1925 Pershing was sent to try to help resolve the hot border dispute between Peru & this country

chile