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.

[Q]: Category: WORLD LEADERS 
Clue: After overthrowing Milton Obote in 1971, he had some 300,000 people killed
[A]: idi amin


[Q]: Category: "BOOT" CAMP 
Clue: It's a common name for a Wild West cemetery
[A]: boot hill


[Q]: Category: BRANDED 
Clue: In 1920 the U.S. Post Office approved this Connecticut company's postage meter
[A]:
pitney bowes