What role can the dissemination of news play in the development of political revolutions?

The news plays the role of spread revolutionary ideas to many people as possible. Not only to inform that there are happening a revolution but to keep the feeling of the riot alive.

Explanation:

It's very important when a group starts a riot or revolution to maintain the feeling always alive if not, there is no revolution. The better way to do that is writing and creating the routine to spread the ideas to many people as possible. Once the revolutionary group is winning, many news are spread, and creates a feeling of victory, inciting more people to take part in the movement.

51% were unhappy, i think .   ; )

the correct answer is c.