Trump says all U.S. trade negotiations with Canada are terminated

Core Points - U.S. President Donald Trump announced the termination of all trade negotiations with Canada due to an advertisement by the Ontario provincial government featuring former President Ronald Reagan criticizing tariffs [1][3] - The Ronald Reagan Presidential Foundation stated that the Ontario ad misrepresented Reagan's remarks from a 1987 radio address, which were edited without permission [2] - Ontario Premier Doug Ford announced a $75 million ad campaign in the U.S. featuring Reagan's criticism of tariffs, aiming to influence Republican districts nationwide [3][4] Trade Relations - Trump's decision to terminate trade negotiations is a direct response to perceived interference in U.S. legal matters by Canada [3] - The emphasis on tariffs is a significant aspect of Trump's second term, with ongoing legal challenges regarding his authority to impose tariffs [4]