Crossword Genius

Frontal display aroused dissent and division (4-2)

Ross

I believe the answer is:

bust-up

'dissent and division' is the definition.

'frontal display aroused' is the wordplay.
'frontal display' becomes 'bust'.
'aroused' becomes 'up'.
'bust'+'up'='BUST-UP'

(Other definitions for bust-up that I've seen before include "Quarrel, brawl" , "disagreement" , "Argument finishing a relationship" , "Quarrel, possibly ending a friendship" , "Serious quarrel/fight" .)

I've seen this clue in The Guardian.
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