Donald Trump has drawn a red line over the global status of the U.S. dollar. In a fiery cabinet meeting, the former president vowed to impose a 10% tariff on BRICS nations discussing alternatives to the dollar. Trump warned that losing the dollar’s reserve status would be like losing a world war—and he’s ready to make challengers pay. As BRICS pushes for de-dollarisation, Trump’s bold threat signals a new economic showdown. Is the U.S. headed for a tariff war to defend its global financial dominance?