instruction:
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.
question:
Category: MY CHARLEMAGNE MAN 
Clue: For 46 years Charlemagne was the king of these people who gave their name to a country
answer:
the franks


question:
Category: EARLY ART 
Clue: This art form of setting stones or glass into mortar was the main decorative art of the Byzantine Empire
answer:
mosaic


question:
Category: U.S. GEOGRAPHY 
Clue: Rivers flowing into this bay include the Susquehanna, James, & Rappahannock
answer:

chesapeake bay