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Falling ill on beer may cause an insurrection (9)

Ross

I believe the answer is:

rebellion

I'm a little stuck... Click here to teach me more about this clue!

'insurrection' is the definition.
(I know that insurrection can be written as rebellion)

'falling ill on beer may cause an' is the wordplay.
'ill on beer' anagrams to 'REBELLION'.
However, I am unsure how this is indicated.

Can you help me to learn more?

(Other definitions for rebellion that I've seen before include "Insurgency" , "Rising" , "Coup d'tat" , "Revolting" , "Uprising" .)

I've seen this clue in the Sydney Morning Herald.
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