Ten teens forged alliances (8)

I believe the answer is:

ententes

'alliances' is the definition.
(I know this)

'ten teens forged' is the wordplay.
'forged' indicates anagramming the letters.
'ten'+'teens'='tenteens'
'tenteens' anagrammed gives 'ENTENTES'.

I've seen this clue in The Telegraph.

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