Summary
Donald Trump suggested using “economic force” to acquire Canada, citing trade deficits and national security benefits.
He also claimed the U.S. “subsidizes” Canada by up to $200 billion annually.
Canadian Prime Minister Justin Trudeau dismissed the idea, saying, “there isn’t a snowball’s chance in hell” Canada would join the U.S.
Meanwhile, U.S. President Joe Biden praised Trudeau’s leadership as he prepares to leave office amidst rising U.S.-Canada trade tensions and tariff threats under Trump.
Oil (EDIT: in the ground) is stored under a lot of pressure, oil wells cannot be shut off and restarted easily, some might never start again when being shut off, building refineries and pipelines takes years and storing large swaths of crude above ground is incredibly inefficient.
In the end you need a good processing and logistics to get the stuff on the market constantly.