How could Europe respond to Trump's Greenland tariffs?

The article discusses the potential European response to President Trump's proposed tariffs on Greenland, which is a self-governing territory of Denmark, one of America's closest allies. The tariffs are seen as a retaliatory measure after Denmark refused to sell Greenland to the United States. The European Union is considering various options to counter this move, including potential trade sanctions or other economic measures. The situation is complex, as the US is a key NATO ally and trading partner for Europe. However, the article suggests that Europe may feel compelled to take action to protect its interests and defend the sovereignty of its member states. The article highlights the delicate diplomatic balancing act that Europe must navigate, as it seeks to maintain good relations with the US while also standing up for its own principles and values. The outcome of this situation could have broader implications for transatlantic relations and the global trade landscape.