Mitch McConnell, the former U.S. Senate Republican leader, has described Donald Trump’s second presidency as the “most dangerous period” for America and its allies since the end of the Second World War. His warning focused on the administration’s reliance on tariffs and its increasingly isolationist stance, which he argued echoes the U.S. policies of the 1930s.
Tariff fixation raises alarm
Speaking at a policy forum in Washington, McConnell criticised the White House’s pursuit of aggressive tariffs on both adversaries and allies, including the 50% duty recently imposed on Indian imports. He said the approach risks undermining the global trading system and weakening the U.S. position in international alliances. “This obsession with tariffs is driving us backwards,” McConnell noted, pointing to rising prices and growing tensions with key trading partners.
Historical parallels
The former Senate leader drew a sharp comparison with the isolationist tendencies of U.S. foreign and economic policy in the years before World War II. In particular, he likened Trump’s strategy to the Smoot-Hawley Tariff Act of 1930, widely blamed for deepening the Great Depression and fuelling international instability. “History shows us what happens when America turns inward,” McConnell said, warning that a retreat from global engagement could embolden rivals such as China and Russia.
Division within the Republican Party
McConnell’s comments highlight deep divisions within the Republican Party. While Trump’s allies continue to defend the tariff-heavy agenda as a tool to protect U.S. industry, moderates and establishment figures warn it risks alienating allies and triggering retaliatory measures. Business groups have also voiced concerns, with several major U.S. manufacturers warning of disrupted supply chains and higher costs.
International concerns
Abroad, Trump’s policies have drawn criticism from partners in Europe and Asia, many of whom are struggling to adjust to the sudden rise in U.S. trade barriers. European Union officials have warned of possible countermeasures, while Asian economies reliant on U.S. markets face mounting uncertainty. Analysts suggest the policies could fracture long-standing alliances at a time of heightened geopolitical tension.
Outlook
McConnell’s remarks underscore the stakes as Washington navigates a shifting global order. With trade relations strained and foreign policy alignment under pressure, his warning reflects broader fears that the U.S. could be entering a period of heightened instability. Whether Trump’s administration adjusts course or doubles down on its tariff strategy may determine the trajectory of global economic and security relations in the years ahead.
REFH – Newshub, 5 September 2025
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