Complex sentence: The vignettes became popular because of their cultural depiction of Canada, and because they represented its changing state, such as the vignette "Faces" which was made to represent the increasing cultural and ethnic diversity of Canada.
Split into simpler sentences: The vignettes became popular because of their cultural depiction of Canada, and because they represented its changing state. Indeed, the vignette "Faces" was made to represent the increasing cultural and ethnic diversity of Canada.