As is often the case with Trump, it’s unclear whether his remarks are to be taken at face value or if he's simply trying to stir the pot.

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."

Mexico and Donald Trump have a history and his views have clashed with Mexico over several issues, including border security and the imposition of tariffs on imported goods. He had earlier sworn to build a wall along the U.