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.
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Question: Category: WORLD LEADERS 
Clue: After overthrowing Milton Obote in 1971, he had some 300,000 people killed

Answer: idi amin


Question: Category: PRESIDENTIAL FACTS 
Clue: In 1919 this trustbuster's last words were "Please put out the light"

Answer: theodore roosevelt


Question: Category: CABINET MINISTERS 
Clue: In 1967 this minister of justice began his campaign to become prime minister of Canada

Answer:
pierre elliott trudeau