B. The way automobiles make other forms of transportation less feasible
Explanation:
Critical mass protest is a social movement of the cyclist to present the idea that there should be safety measures and traffic rules protecting them against the motor vehicle. It was started in 1922 in San Francisco and now have its way to most of the new world. These protests may be organized or unorganized, proceeded in such a way that bikers take control of the roads to show their resentment.
