U.S. Senators Jeanne Shaheen, Jack Reed, and Mark Warner have expressed concerns over President Trump’s tariff policy in a letter addressed to him. They argue that the tariffs announced this year could have severe consequences for U.S. national security by raising trade barriers to unprecedented levels, potentially costing American households an average of $4,900 annually and increasing inflation up to 5.5 percent.
The Senators highlighted the impact of these tariffs on global markets, noting fluctuations and disruptions in business operations as companies pause shipments, lay off workers, and delay investments due to uncertainty. They warned that such actions undermine longstanding U.S. alliances and partnerships.
“We are writing to express our deep concern over your Administration’s tariff policy and its harmful impact on U.S. national security,” stated the Senators in their letter. They urged President Trump to reconsider the long-term implications of his trade policy.
The letter also pointed out how these tariffs conflict with U.S. treaty commitments, particularly with NATO members and Japan, which call for economic collaboration rather than conflict.
European Commission President Ursula Von Der Leyen has indicated that the European Union is preparing countermeasures against these tariffs, while Canadian Prime Minister Mark Carney has voiced opposition to them.
The Senators emphasized that strong alliances are crucial for addressing global security challenges effectively and cautioned against policies that might isolate the United States from its partners.
“As the Senate considers the Administration’s fiscal year 2026 budget request,” they wrote, “we will hold a number of hearings.” The Senators expect administration officials to address how tariff actions affect U.S. alliances during this process.
They concluded by warning that continued escalation could lead to “America Alone,” undermining national strength and prosperity.
