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 consistency, answers should be in all lower cased letters.
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Question: Category: WORLD FLAGS 
Clue: In 1996, to represent unity, Ethiopia put this 5-pointed star with mystical overtones on its flag

Answer: a pentacle


Question: Category: A TIME TO BE BORN 
Clue: The umbilical cord connects the baby to this organ, which is attached to the mom's uterus

Answer: the placenta


Question: Category: AMERICAN FADS 
Clue: These groovy home furninshings, seen here, were invented in 1963 & are still popular today:

Answer:
lava lamps