Both could feature in negotiations next year, if that’s the path Donald Trump intends to pursue. So far, the US president-elect has given very few clues as to how he intends to end the conflict, beyond a typically vainglorious promise to end the war in 24 hours.

While the incoming Trump administration appears determined to end U.S. support for Ukraine, other western allies — including Canada — say they're not ready to give in. But can they fill the vacuum if America decides to cut and run?