What role do you think television played in helping to get support for the cause that these marchers were fighting for?

It brought their course to the public

Explanation:

Publicity promotes any event. One of the ways that would highlight any fight or a course is how it's been publicized by media houses from television to radio, newspaper and social media handles. One great and effective way information are publicized is through television. Bringing their course on television helped publicized it and brought more awareness to the masses

answer; when the government fails to protect the fundamental rights of the people;