How can the EU respond to US 'blackmail' over Greenland?

German media Deutsche Welle examines how the European Union could respond to Donald Trump’s trade threats over Greenland, weighing options such as retaliatory tariffs, suspending the EU–U.S. trade deal, or activating the so-called “trade bazooka.” Alberto Alemanno, law professor at HEC Paris Business School, argues that Europe’s real leverage lies not in tariff escalation but in enforcing and exporting its regulatory standards — from data protection to AI governance and corporate accountability.