On January 17, 2026, President Donald Trump’s aggressive strategy regarding Greenland faced significant pushback from within his own party. Republican lawmakers, including Senators Thom Tillis (R-N.C.) and Lisa Murkowski (R-Alaska), voiced strong opposition to Trump’s use of tariffs as leverage in his bid to purchase Greenland, a move that has sparked controversy both domestically and internationally.
The tariff threats, which were directed at European allies, particularly Denmark, were criticized by these lawmakers as “unnecessary, punitive, and counter-productive.” Senators Tillis and Murkowski, along with other Republicans, argued that the imposition of such tariffs could undermine the United States’ relationships with key NATO partners and harm the country’s credibility on the global stage. They expressed concerns that economic pressure on Denmark—Greenland’s sovereign nation—could create unnecessary rifts with longstanding allies at a time when strategic international cooperation is crucial.
This internal GOP opposition underscores a growing divide within the Republican Party over Trump’s trade tactics and broader foreign policy strategy. While the president’s administration has frequently employed tariffs as a tool in international negotiations, these new tariff threats regarding Greenland sparked more intense debate. Some Republican leaders, particularly those with foreign policy experience, have advocated for more diplomatic engagement and dialogue with Denmark and other European nations rather than resorting to economic coercion.
The criticism from within the Republican ranks reflects broader bipartisan concern about the president’s aggressive approach to foreign diplomacy and trade. Many are urging a shift away from using tariffs as a primary means of influence, particularly when it risks damaging relationships with close allies. These tensions within the party highlight the complexity of balancing national interests, foreign relations, and the potential long-term impact of trade policies.
As the debate within the Republican Party unfolds, it remains to be seen whether President Trump will alter his strategy on Greenland or continue to pursue his controversial tactics. What is clear, however, is that the issue of tariffs—especially when used in sensitive foreign policy contexts—is sparking significant debate on Capitol Hill, marking a critical moment in the evolution of U.S. trade and diplomatic policy.