Mark Carney has become the new Prime Minister of Canada, which—according to BBC News—may significantly influence relations with the U.S., potentially preventing an escalation of tariffs that could lead to a trade war.

It’s common for U.S. politicians to tie their opponents to an unpopular incumbent president, but this year in Canada, Mark Carney took it international. Unlike in the U.S., Canadian politics is multiparty and often defined by issues without salience to its neighbors to the south.