Donald Trump’s latest cause may set off a lot of new names for old places even in the United States of Vespucci.

President-elect Donald Trump says he plans to rename the Gulf of Mexico to the Gulf of America, because "it's ours." Who owns the Gulf?

President-elect Donald J. Trump said Tuesday that he planned to change the name of the Gulf of Mexico to the “Gulf of America,” one of several foreign policy proposals that left world leaders reeling. “It has a beautiful ring,” he said of the proposed name change for the body of water that borders several U.S. and Mexican states.

President-elect Donald Trump wants to rename the Gulf of Mexico to the “Gulf of America." Social media has opinions.

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.

Mexico's president sarcastically said that the U.S. should be called "Mexican America" after Trump's vow to rename the Gulf of Mexico the "Gulf of America."

He wants to rename the Gulf of Mexico to the "Gulf of America." "We're going to be changing the name of the Gulf of Mexico to the 'Gulf of America,' which has a beautiful ring. That covers a lot of territory.