AdvertisementImmigration Grinds To A Halt As President Trump Shuts BordersMarch 18, 2020Joel RosefacebookEmailVehicles wait in line to cross into Canada at the Peace Bridge Plaza on March 18, 2020, in Buffalo N.Y. The Canada-U.S. border will be closed to non-essential traffic in both directions "by mutual consent," President Donald Trump confirmed Wednesday, as efforts across the continent to contain the widening COVID-19 pandemic continued to upend daily life in North America. (AP)