In which decade did electricity become widely available for the majority of Canadians, boosting the growth of hockey?

The correct answer is the 1920s, a pivotal decade in the history of hockey in Canada and the availability of electricity. This period saw the widespread implementation of electrical infrastructure, which allowed for indoor ice rinks to be built and maintained. The ability to refrigerate ice meant that games could be played more consistently, regardless of weather conditions, leading to an increase in organized amateur and professional leagues.

The 1920s marked a significant boom in the popularity of hockey across Canada. As more people had access to indoor arenas, attendance at games increased, and the sport experienced rapid growth in both participation and viewership. The emergence of radio broadcasts further elevated the sport's profile, allowing fans to engage with hockey in ways that were not possible before the advent of electricity. These factors combined to create a robust culture around hockey that was fueled by the increased accessibility made possible by electricity.

The other decades do not reflect the same level of change in this context. In the 1900s and 1910s, while hockey was already popular, the infrastructure and technology to support extensive participation and viewership weren't fully developed yet. By the 1930s, electric infrastructure was already in place, but it was in the 1920s that the