Answer:
The function of your paper's conclusion is to restate the main argument. It reminds the reader of the strengths of your main argument and reiterates the most important evidence supporting those argument. ... This reduces the impact of the arguments you have developed
hope this helps!!!
I'll just give you a start.
The thing that impacted the whole world was social media. This is Facebook, Twitter and Instergram and so much more.
Explain them
Good points (global communication)
Bad points ( bullying)
The correct answer for is the third
I believe that would be irony