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: PART: CHARLES 
Clue: In the '80s, he played Charles Ryder, a central character in TV's "Brideshead Revisited"

SOLUTION: jeremy irons

PROBLEM: Category: WHAT'S THE MARTYR WITH YOU? 
Clue: This man whose feast day is Dec. 26 was the 1st Christian martyr; his story is told in the Acts of the Apostles

SOLUTION: saint stephen

PROBLEM: Category: IN THE NAVY 
Clue: An incident involving the U.S.S. Maddox led to the USA's full-scale involvement in this war

SOLUTION:
vietnam war