Which of the following made the coordination of time and the establishment of just six time zones across Canada possible?

Question

Quizplus · Accepted Answer

The telegraph allowed for communication across long distances at a much faster rate than previously possible, making it feasible to coordinate time across a large country such as Canada. This was essential for the establishment of time zones, which were based on differences in solar time between eastern and western regions of the country.

Which of the Following Made the Coordination of Time and the Establishment