Mexican President Claudia Sheinbaum doesn’t approve of this idea. At one of her recent press briefings, she pointed to a colonial-era map of North America that marked present-day states of California,

Mexico's President Claudia Sheinbaum clapped back at President-elect Trump on Wednesday and said parts of the U.S. should be called "América Mexicana," in response to Trump's proposal to rename the Gulf of Mexico the "Gulf of America" at a press conference on Tuesday.

The president of Mexico has suggested to Donald Trump that the United States should be renamed “América Mexicana”, in a sarcastic rebuke to his comments on the Gulf of Mexico.