FILE - Britain's Prime Minister Boris Johnson (L) shakes hands with Canada's Prime Minister Justin Trudeau upon arrival for the NATO summit at the Grove hotel in Watford, northeast of London on December 4, 2019. (ADRIAN DENNIS/AFP via Getty Images)LONDON - The U.K.
signed an interim trade deal with Canada on Saturday, giving it more time to negotiate future trading rules as the British government prepares the country for business life outside the European Union.The stopgap agreement allows trade between the two countries to continue under the same terms as Canada's existing treaty with the EU while negotiators begin work on a new bilateral deal between the U.K.