OTTAWA: The Canadian government has pledged to offer financial aid on the scale seen during the COVID-19 pandemic to support workers and businesses if US President Donald Trump imposes broad new tariffs, a move that could strain economic ties between the two countries, officials said Wednesday. Trump has said he would impose 25 per cent tariffs on imports from Canada and Mexico as early as 1 February unless more action is taken to prevent migrants and illicit drugs from crossing into the United States. With about 20 per cent of…