Option three: economic retaliation
European leaders are also weighing economic pressure. The EU has the ability to retaliate against U.S. trade actions using its anti-coercion tools, targeting key American exports if Washington escalates its threats.
Option four: physical deterrence
The most extreme scenario involves deploying European forces to Greenland at Denmark’s request. While no one believes European troops could stop a U.S. invasion outright, their presence could raise the political and moral cost of any military action.
Such a move would be unprecedented within NATO and carries the risk of direct confrontation between allies. Yet some officials argue that even a limited deployment could act as a deterrent by forcing Washington to reconsider the consequences.
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