Answer:
struggle, or death since they're definitions are also rather grim and give people anxiety.
1. The dogs in my neighbour’s yard started barking.
2. The teacher asked the students in the back row of the classroom to please be quiet.
Answer:

Explanation:
Notice that each answer choice has a common theme of violence.
However, choices B (violence in popular music), C (violence in video games), and D (violence on television shows) are concentrated on one area/place where violence is prevalent. They are not very broad.
On the other hand, choice A (violence in society) is probably too broad for a 10 minute speech. There is all sorts of violence in society as a whole and there are too many things to touch in a ten minute time period.