A geographer explains who decides what goes on the map.

However, Trump's order only applies to the U.S. government's official position. Though headquartered in the U.S., corporations such as Google and Apple aren't beholden to the president's directive to rename the landmarks, raising questions as to whether they'll update their popular map services to reflect the government's stance.

President Donald Trump issued an executive order changing the name of the Gulf of Mexico to the Gulf of America.