Gwynne Dyer is a Canadian-born independent journalist whose column is published in more than 175 papers in 45 countries.

A new confrontation is brewing between the United Kingdom and the European Union because the Northern Ireland part of the deal is falling apart. It could trigger a British trade war with the European Union and a return to real war in Northern Ireland, but the deal is falling apart mainly because the British government was lying when it agreed to it in 2019.

Boris Johnson was new in office in 2019 and desperately needed to ‘get Brexit done’. Only then could he call an election and hope to win a majority in Parliament. So he made an agreement with the EU on post-Brexit trade relations, especially regarding Northern Ireland, that fell far short of what his government actually wanted.

Dominic Cummings, who was Johnson’s right-hand man until he lost an internal power struggle a year ago, explained last week why he and a few allies got Johnson to sign a document they had no intention of honouring.

“We wriggled [through the negotiations with the EU] with the best option we could,” Cummings said, “ and intended to get Johnson to ditch the bits we didn’t like after whacking (Labour Party leader Jeremy) Corbyn” in an early election.

And so it came to pass. The Conservatives buried Corbyn in a landslide in the December 2019 election, and the United Kingdom finally left the EU in January 2020 – or rather, most of it did. The ‘bits we didn’t like’ mostly had to do with Northern Ireland, which for customs purposes remained in the European Union. Why?

The ‘Troubles’ between the Loyalists (Protestants who wanted to stay in the United Kingdom) and the Nationalists ( Catholics who wanted to make Northern Ireland part of the Irish republic) killed around 3,500 people in 1969-1998. Preserving the ‘Good Friday’ agreement that ended the killing was vital, but it wasn’t easy.

When the agreement was signed both the UK and the Irish Republic were members of the EU, so the border between them could be wide open: no check-points, no movement controls, no customs duties. That let Nationalists come and go as they wished and think of themselves as Irish citizens, while Loyalists went on believing they lived in the United Kingdom.

Unfortunately, Brexit required creating a real customs frontier between the UK and the EU. Since a ‘hard’ border on land would undermine the faith of Northern Irish Nationalists in the Good Friday deal and probably start the war again, London reluctantly agreed to put the border “in the Irish Sea” instead.

There would continue to be complete freedom of movement for people and goods throughout Ireland, while goods coming into Northern Ireland from the rest of the UK would go through EU customs checks at the Northern Irish ports.

Which brings us to the present. There have been serious delays in the way the customs controls work in the Northern Irish ports, and the EU has just offered to exempt about half the affected food and medicines from all checks.

But Johnson just raised a new demand: that the European Court of Justice no longer have jurisdiction over possible violations of the treaty. He also hinted that he might ‘suspend’ the treaty entirely if the EU does not give in.

EU authorities suspect that Johnson is seeking an excuse to blow up the treaty so that he can scapegoat the Europeans for the ensuing trade war and renewed real war in Northern Ireland. Matters are getting worse in the UK on a number of fronts, and he needs a distraction.

Would he really do that? He probably doesn’t know yet himself.

Gwynne Dyer’s new book is ‘The Shortest History of War’.