Crossword Genius

Eccentric apprised of Cold War's cause (5,2,7)

Ross

I believe the answer is:

apple of discord

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'war's cause' is the definition.
The definition suggests a singular noun which matches the answer.

'eccentric apprised of cold' is the wordplay.
'eccentric' indicates anagramming the letters.
'apprised'+'of'+'cold'='apprisedofcold'
'apprisedofcold' anagrammed gives 'APPLE OF DISCORD'.

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