Answer: C) It provides an example of danger in sports in the past.
Explanation: In the first excerpt from the conclusion of "Heads Up on Sports Safety" we can see the statement that even with the implementation of helmets, that made football and other sports safer, it is still possible to suffer head trauma and other injuries while playing. The second excerpt from a 1904 football game article, we can see an example of how dangerous were football and other sports in the past, without using helmets. So the correct answer is option C.
