Mexico is a country, so the new name is less nationalistic. I've actually met people from Latin America who call themselves "American" because they are in eithe

Mexico is a country, so the new name is less nationalistic. I've actually met people from Latin America who call themselves "American" because they are in either North or South America. Besides, nobody owns the Gulf. If the US wanted to, it could easily take over the Gulf of America officially, and also annex Mexico as well.