Hundreds of people and countless livestock in British Columbia’s agricultural heartland were displaced Thursday after torrential rainfall and historic flooding that forced mass evacuations in Washington State and swept north across the border.

For those in B.C.’s Fraser Valley, the scenes of swollen rivers, washed-out highways and flooded farmland stirred uncomfortable memories of the catastrophic flood of November, 2021, the province’s costliest natural disaster.

Donald Trump said he is considering “very severe” tariffs on imports of fertilizer from Canada, as the U.S. prepares a multibillion-dollar funding package for its own farmers, who have been battered by months of trade-war uncertainty.

The new White House focus on agriculture suggests the possibility of fresh trade turbulence, with little sign that the White House intends to depart from its pursuit of tariffs, whose revenue Mr. Trump said will be used to deliver US$11-billion in new money to row-crop farmers.