Changes are manic from the other side of the pond (8)

I believe the answer is:

american

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'the other side of the pond' is the definition.
I can't tell whether this definition defines the answer.

'changes are manic' is the wordplay.
'changes' indicates anagramming the letters.
'are'+'manic'='aremanic'
'aremanic' is an anagram of 'AMERICAN'.

'from' acts as a link.

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(Other definitions for american that I've seen before include "Inhabitant of the States" , "Nationality of Edgar Allan Poe" , "From the United States" , "like Buffalo Bill" , "[YANKEES] member?" .)

I've seen this clue in The Daily Express.

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