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: HERALDIC SYMBOLS 
Clue: Dating from the second half of the 15th century, the Tudor rose has petals of these 2 colors

SOLUTION: red & white

PROBLEM: Category: CIVIL WAR SITES 
Clue: Of the 6 Civil War-related national military parks, the northernmost & southernmost are in these 2 states

SOLUTION: pennsylvania & mississippi

PROBLEM: Category: U.S. TRAVEL AND TOURISM 
Clue: Souvenirs sold at this attraction include 1962 World's Fair glassware & mugs boasting "I made it to the top"

SOLUTION:
the space needle