Sorry if I seem like a knucklehead. I have a limited grasp on the extent of WW1 history.
Here there! It's not perfect but I found some answers that might go a little bit towards answering your question. Hopefully an expert can pop in and add further information, but this is a start at least. You might like the following:
Was the Battle of Vimy Ridge important for anything other then Canada's ego?
and this is a bit of a discussion for why its romanticised the way it is.
Why is the participation of Canada and other british colonies in WW1 romanticized so much ? with lots of good stuff from folks like /u/LordHighBrewer.
Meanwhile How important was Canada in ww1 and ww2? Where was Canada essential for victory? also discusses it courtesy of /u/DuxBelisarius