Canadian Prime Minister Mark Carney swiftly responded to former US President Donald Trump's decree to rename Lake Ontario "Lake America," asserting the lake will remain "Lake Ontario today and forever." The statement came after Trump signed the order, reflecting a broader pattern of potential US changes, including trade policies and foreign relations. Carney’s firm response underscores the importance Canada places on its sovereignty and the historical significance of the lake’s name. The move is largely symbolic, given limitations on US authority over Canadian territory, but highlights ongoing tensions. Observers note the renaming attempt fits with Trump's past actions and rhetoric. The incident illustrates a contentious element in US-Canada relations.