Place where you’ll find Americans misused African oil (10)

I believe the answer is:

california

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'place where you'll find americans' is the definition.
I can't judge whether this defines the answer.

'misused african oil' is the wordplay.
'misused' is an anagram indicator.
'african'+'oil'='africanoil'
'africanoil' is an anagram of 'CALIFORNIA'.

Can you help me to learn more?

(Other definitions for california that I've seen before include "The Golden State" , "US state" .)

I've seen this clue in The Independent.

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