Bone of contention (5)

I think it could be either:

Which length description are you looking for?:

issue

'bone of contention' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for issue that I've seen before include "Publish, bring out" , "Offspring; problem" , "Send out or distribute for use" , "Subject, result, or publication" , "Offspring or one of publication" .)

I've seen this clue in The Wall Street Journal and the Universal.

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