Answer:
e) informing the public of breaking events and new developments.
Explanation:
The media perform or carried out signally role by informing the public of breaking events and new developments because it will enable the public at large to be aware of current situation and issues on ground as well as current event and new development which may have recently come up or arise in which the public may lack awareness of.
Therefore SIGNALLY ROLE is important and vital because it help to create awareness and help to inform the public of important news developments as quickly as possible in order to keep them up to date about what they need to know.