The border between Northern Ireland and the Republic is one of the most contentious in the world. But what really divides Ireland? And after Brexit, is Irish unification a real possibility?

00:00 Ireland’s irregular border
00:45 Ireland’s history divided
02:31 Caught on the wrong side
04:36 The Troubles
06:30 Working towards peace
07:44 New divisions, old tensions

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Is Irish unification becoming more likely? https://econ.st/3pVLeNJ

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