Philly's country (3)

I believe the answer is:

usa

(Other definitions for usa that I've seen before include "Canada's southern neighbour" , "Union" , "Land of the Free and the Home of the Brave" , "country" , "Trumpland?" .)

I've seen this clue in the Universal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.