A ‘trade bazooka’, tariffs and a World Cup boycott: How Europe can hit back at Trump over Greenland

Guttenberg’s post was reshared by Sander Tordoir, chief economist at the Centre for European Reform, who added: “Europe should hold a competing football competition in Denmark at exactly the same time – and call it the Viking Freedom Supercup.”

In a subsequent emailed statement, Mr Tordoir said deployment of the ACI was unlikely, with a trade and tech war promising difficulty for both sides.

“The question is who has the higher political pain threshold,” he said, with many EU member-states fearing that retaliatory countermeasures could set off a cycle of escalation.

“A European boycott of the Football World Cup may be more likely!”