In this timeline, Quebec was an independent nation and Ally of the USA. While not an active belligerant in WW2, it did provide garrison troops for the military occupation of Anglophone Canada. That freed up US troops for combat against the CSA.
The only description in the book was that they wore the same style of uniforms as US soldiers except a bluer-gray color rather than green.
The only description in the book was that they wore the same style of uniforms as US soldiers except a bluer-gray color rather than green.