Can Trump really rename Lake Ontario, ‘Lake America’?

United States President Donald Trump’s war on geography has opened up a new front – this time on the Canadian border.Amid escalating trade tensions between Washington and Ottawa, Trump said he would rename the large body of water shared between the US and its northern neighbour.We break down what Trump has announced, whether he can actually rename this particular body of water, and whether the rest of the world will have to use the new name.What has Trump done?During a news conference in the Oval Office of the White House on Thursday, Trump signed an executive order that changes the name of Lake Ontario to Lake America.Lake Ontario is in North America, on the border between the Canadian province of Ontario to the north and the US state of New York to the south.The name “Lake Ontario” is believed to be derived from the Huron Indigenous people’s Wendat language word “oniatarí:io,” which is thought to mean “lake of shining waters”, “great lake” or “beautiful lake”.“The name Ontario is witness to a native presence that existed before the establishment of the United States and Canada, and which is crucial for expressing the historical depth of North America to students and wider communi...