Claudia Sheinbaum's suggestion came in response to Trump's proposal to rename the Gulf of Mexico as the "Gulf of America."

For decades, history books and maps have labeled the big body of water that sits off the coast of the southern United States and Mexico as the Gulf of Mexico.

Mexican President Claudia Sheinbaum jokingly said North America should be renamed "Mexican America" because an old Mexican constitution labeled it by that moniker.