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: 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: AMERICAN INDIANS 
Clue: When this chief, Pocahontas' father, died in 1618, he was succeeded by his brother Opitchapam

Answer: powhatan


Question: Category: FRENCH WORDS & PHRASES 
Clue: This household appliance is known as an "aspirateur", which literally means "inhaler"

Answer:
vacuum cleaner