The tricky issue of Ireland and Brexit

FT writers and contributors analyse the impact of Brexit on the two island nations with a long shared history, and the prospect of a border in the middle of the Irish Sea.

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More powers for Northern Ireland can crack the Brexit nut

In the 100 years to the 1920s trade and Ireland provoked huge changes in party politics

Differing interpretations of the Good Friday Agreement make a solution elusive

Britain’s prime minister will struggle to face down the government’s Northern Irish partners, writes Sebastian Payne

The route to this is a new customs partnership between the UK and the EU

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Dublin, rattled by prospect of damaging its €65bn annual trade with its biggest market, could derail negotiations

From Chris Huhne, London, UK

From John M Jones, London, UK