The third one, read the directions carefully. The fourth one is for after you finish. The first and second are clearly incorrect.
Answer:
I can't see all of your text above the chart. But it looks like communism was a threat.
Social media tends to influence the purchasing patterns and also creates an economy based on information and online communities.
When someone has a huge amount of social media connections or followers or friends, we usually consider them "social influencer" someone who has becomes trusted by an industry, who has access to a huge audience and can persuade others to act based on their posts. In the past, this used to be made by celebrities but now anyone can literally be an influencer and can motivate others to modify the way the online community connections.
The use of blogs can create for example decision making based on the descriptions of someone traveling abroad.
There is also greater access for knowledge across borders, in this way we see online activism where people tend to unite from many nations supporting causes whereby other means it would hardly be thought that this was possible: Support for Palestinians, support of humanitarian causes,etc..
Well if you are satisfied that I have helped a bit, I don't feel as guilty taking the points. I can at least make comments below my answer. I'm going to stew over that third one. If I think of anything, I'll come back.