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: FORBES' RICHEST PEOPLE
Clue: Worth $53.5 billion, Carlos Slim, owner of Telmex, became the first person from this country to top the Forbes list

SOLUTION: mexico

PROBLEM: Category: FICTIONAL BATTLES & WARS
Clue: Juan Rico joins the mobile infantry to fight in the war against the invading alien "bugs" in this Heinlein novel

SOLUTION: starship troopers

PROBLEM: Category: 20th CENTURY EUROPE
Clue: Under PM Hjalmar Hammarskjold, Dag's dad, Sweden maintained this stance during WWI

SOLUTION:
neutrality