Nigel Farage and Nick Clegg in TV debate
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UK and Europe: Benn, Jenkins, Farage and Clegg debates

1 May 2014 Last updated at 16:28 BST

Some reckon the British economy depends on the EU, while others want out, or at least a renegotiated deal.

BBC archives from the 1970s with Tony Benn and Roy Jenkins - to this year with Nigel Farage and Nick Clegg - highlight the divisions and arguments over the claims.

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