As part of a torrent of decisions he issued hours after taking office, President Donald Trump declared that the name of America’s tallest mountain be changed from Denali to Mount McKinley, and that the Gulf of Mexico be renamed “The Gulf of America.”

Renaming it the Gulf of America would apply only in the US. And the long global history of disputed place names suggests it could be a brief experiment anyway.

Mexican President Claudia Sheinbaum has an answer for President Donald Trump about his idea of renaming the Gulf of Mexico to the “Gulf of America:” he can call it whatever he wants on the American part of it.