U.S. President Donald Trump on Thursday signed an executive order increasing tariffs on Canadian goods to 35% from 25% on all products not covered by the U.S.-Mexico-Canada trade agreement, the White House said.

After Canada failed to strike a trade deal with Washington, the president raised tariffs on some Canadian exports this week.

Canada, one of the U.S.’s largest trading partners, was not able to reach a deal with the White House, who instead raised tariffs on some Canadian goods. “Relationships matter,” says Former U.S. Ambassador to Canada David Cohen,