If the U.K. and the EU can’t reach a Brexit deal, imports could be disrupted. London is making plans to stock up on key products just in case https://on.wsj.com/2NGlEGP
It takes on average 45 months for the U.S. to negotiate bilateral trade agreements. Negotiations can’t start in earnest with the U.K. until Britain has settled its post-Brexit relationship with the EU. https://on.wsj.com/2IwfDyn