A body of water that has carried an Indigenous name for centuries became, on a Sunday in late August 2026, something different on American screens — 'Lake America' — after President Trump unilaterally declared it so and Google dutifully updated its maps for US users. The lake itself, straddling the border between Ontario and New York, did not change; only the language layered over it did, and that language now differs depending on which side of the border you hold your phone. In this small cartographic rupture lies a larger truth: when neighbors who have long shared geography, supply chains, a