She is speaking about times in which man becomes most desperate that in times where one is attacked, hurt or in a position from which something awful may occur they become their most powerful. This can be related to times where you struggled and found strength within yourself to do what you thought was impossible.
Explanation:
The emotional effect is that 12-18 year old kids are being forced into games in which they fight to the death. This can be emotional to the family and the person who is being put in the Hunger Games because they all might be afraid that they are going to die. This effect can influence riots and revolutions to end the Hunger Games and to end the emotional effects.
hope this helps! :)
