Carney's comments over possibility of U.S. invasion reveal how contingency plans are always in place

<img src='https://i.cbc.ca/ais/a1596184-5a85-4658-a073-d7d5122a7f50,1790306775444/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C1920%2C1080%29%3B' alt='a man speaks to soldiers' width='620' height='349' title='Prime Minister Mark Carney meets with members of the Canadian Armed Forces stationed in Warsaw, Poland on Monday, August 25, 2025.'/><p></p>