"Mexican America."

Sheinbaum cited a map from 1607 and was joined by Mexico's former culture minister, Jose Alfonso Suarez del Real. Suarez del Real pointed to the map and said, "The fact is that Mexican America is recognized since the 17th century... as the name for the whole northern part of the (American) continent."

Trump held his own press conference on Tuesday, where he made a series of announcements and further previewed his upcoming second administration. He said that he plans to rename the Gulf of Mexico to the Gulf of America.

"We have a massive deficit with Mexico, and we help Mexico a lot. They're essentially run by the cartels, and can't let that happen, because Mexico is really in trouble, a lot of trouble. Very dangerous place," Trump said during the press conference.

"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," Trump said. "The Gulf of America. What a beautiful name. And it's appropriate."

Sheinbaum pushed back on Trump's comment that Mexico is essentially "run by cartels," responding that the "people are in charge" of the nation.

Sheinbaum added that she expects the U.S. and Mexico will have a "good relationship" during the second Trump administration.

"I think there will be a good relationship," she said. "President Trump has his way of communicating.