Final answer:
The major challenges facing Canadian business today include economic, demographic, cultural, and legal challenges, but not transportation challenges.
Step-by-step explanation:
The major challenges facing Canadian business today are economic challenges, demographic challenges, cultural challenges, legal challenges, and transportation challenges. However, among these challenges, the one that is not included is transportation challenges. Transportation challenges refer to issues related to the transportation of goods and services, such as infrastructure or logistics problems. While transportation is an important aspect of running a successful business, it is not specifically mentioned as one of the major challenges in the given options.