Canadian Prime Minister Mark Carney issued a statement on 21 August 2026 in response to U.S. tariffs following the collapse of trade negotiations. As previously reported, U.S. President Trump signed three proclamations on 20 July 2026 to impose additional 50% tariffs on certain Canadian goods, in response to Canada's discriminatory treatment of certain American products. The tariffs were to take effect at 12:01 a.m. Eastern Time on 19 August 2026, but this was delayed to 22 August 2026 as pe…