Canada has suspended trade negotiations with the United States, Prime Minister Mark Carney said, after last-minute changes to Washington’s proposed terms were deemed “unfair” and “uneconomic”, a day after US President Donald Trump had said that US "should be able to have a deal with Canada."
It would definitely be dumb to let them go all at once. You’d want to dovest carefully. Or do some bond swaps, perhaps. Exchange some for euros or yuan.