What kind of evidence could the authors add to this text to strengthen their claim and make their argument even more effective?

facts and details about types of social media and the ways people use them
quotations from secondary sources in addition to those from eyewitnesses
detailed examples of media outlets and civil society leaders
more information on the reactions of western countries

As per the given passages , the fact about the social media is that the use of Mobile and other technology is increases on large number of scale . Millions of peoples spend their large amount of time on social media for the various purposes :-

1) News

2) Various Sites

3) Blogging

The Reaction of Western Countries and the Civil Social Leader is very positive toward s the Social Media as it was very easy and fast way ti circulate the information among the people .

For more information on Social Media, please refer the below link :

link

Answer on edge is C) detailed examples of media outlets and civil society leaders