Maps are already being changed to 'Gulf of America.' It's not a simple process.
Briefly

President Trump signed an executive order renaming the Gulf of Mexico to Gulf of America, resulting in immediate acceptance within the federal government and military, with Google Maps also planning to adopt the change. The order is a part of a broader initiative to restore names that honor American greatness, indicating a shift in how geographical names are approached. However, the administrative process involves extensive updates of official records and documents, as the name change is met with international confusion and controversy, especially from Mexico.
President Trump’s order to rename the Gulf of Mexico as the Gulf of America marks a significant bureaucratic shift across federal and military sectors.
Changing the name is not as simple as re-labeling; it requires comprehensive updates to official documents, maps, and government communications.
Read at Business Insider
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