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: LOW TECH 
Clue: Stone item seen here from the Neolithic, or "New Stone" Age

Answer: arrowhead


Question: Category: PRESIDENTIAL FIRSTS 
Clue: 1st president to refuse a 3rd term

Answer: george washington


Question: Category: EUROPE 
Clue: If writing to a friend in Berlin in 1500, you could put these 3 words on the envelope as the country

Answer:
holy roman empire