Crossword Genius

Dry American statesman who led a coup (6)

Ross

I believe the answer is:

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'statesman who led a coup' is the definition.
'Brutus' can be an answer for 'statesman'. I am not certain of the rest of the definition.

'dry american' is the wordplay.
'dry' becomes 'brut' (type of wine).
'american' becomes 'us' (abbreviation for United States).
'brut'+'us'='BRUTUS'

Can you help me to learn more?

(Other definitions for brutus that I've seen before include "Honourable Roman", ""The noblest Roman of them all"", "He was last to stab Julius Caesar", "associate of 24?", "legendary hero".)

I've seen this clue in The Guardian.