history help: how did canadian in particular contributed to the battle at Vimy Ridge? - Help.com

By reading a book for themselves and thereby contributing their own answer, like their commanders ordered them to.

Perhaps it would be easier if you studied the materials given to you?

Regardless, I’ll throw you a bone: http://en.wikipedia.org/wiki/Battle_o…

Best place to start if you want a basic overview of any historical events! From there you can search the names of places or people involved using google for more information.