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: EMPERORS 
Clue: After becoming emperor of Ethiopia in 1930, he gave the country its first written constitution

Answer: haile selassie


Question: Category: THE AMERICAN REVOLUTION 
Clue: In 1780 & '81 this general commanded Britain's forces in the southern colonies

Answer: lord cornwallis


Question: Category: I'M AUSTRALIAN 
Clue: In the 1910s Alexander MacRae responded to the growing beach culture by creating this swim brand

Answer:
speedo