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Europe may be on the cusp of implementing a never-before-used law, to turn up the heat on the United States.
President Donald Trump's announced increasing tariffs on eight countries starting next month, unless a deal allowing him to buy Greenland is reached.
European leaders have condemned the decision, with France now set to urge the EU to enact its anti-coercion instrument, if the tariffs go ahead.
Gavin Grey told Andrew Dickens that the international economic counter-measures will enhance their retaliation, within international law.
He says no one quite knows what it means as it's never been needed until now, adding things are getting very serious.
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