U.S., March 18 -- US President Trump said it was a good move. The Canada-United States border, officially known as the International Boundary, is the longest international border in the world between two countries. It is shared between Canada and the United States, the second- and fourth-largest countries by area, respectively.

The United States and Canada have agreed to temporarily close their shared border to nonessential travel due to the coronavirus pandemic, President Donald Trump announced Wednesday, and his administration is considering turning back all people who cross illegally from Mexico into the U.S., two administration officials said.

Trump tweeted that the restrictions on the Canadian border will not affect the flow of tra...