The Department of War announced on Monday that it would be pausing its participation in the Permanent Joint Board on Defense, which had been the primary forum for U.S.-Canada bilateral defense cooperation for decades.

Undersecretary for policy Elbridge Colby, while announcing a halt and review of the advisory body that was created in 1940, cited Prime Minister Mark Carney’s speech at the Davos Economic Forum in January as a contributing factor.

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