I would say it is metaphor
Answer: Legal action is an effective way to discover information about the dangers of concussions
Explanation:
The best inference that is supported by the sentence is that "Legal action is an effective way to discover information about the dangers of concussions''.
From the sentences given, it's stated that more than 2,000 retired NFL players filed a lawsuit against football helmet maker Riddell and the NFL because they hid information about dangers of concussions.
He’s trying to express that the world is full of evil and wickedness
? is the mark you need your wel.