They are different things
The best answer for this question would actually be:
B. by showing the human side of international politics
<span>In his speech, the Prime Minister had shown in his speech what has happened in the result of the war, and what they can do in order to change the political system to be able to have order.</span>
The correct option is: <em>the reader could set his or her own pace and reread parts for clarity.</em>
When we read a text, we are able to do it in <em>our own pace</em>, <em>managing our time</em>, and <em>reading again</em> the parts we could not understand the first time.
On the other hand, <em>listening to audios</em> (or watching videos) can easily <em>affect our emotional perception</em> about a particular theme.
Romeo and Juliet don't listen to their parents to stay away from each other they are loyal even when they know they should listen to their parents