Read this excerpt from “heads up on sports safety.” before modern helmets, in 1904, the chicago tribune reported 18 football deaths and 159 serious injuries—in that one year alone. because the game was lawless and lacking in safety equipment, football was a brutal, deadly sport. why does the author include a report from the chicago tribune? a. it is an opinion piece that shows how times have changed. b. it is an additional resource that provides historical facts. c. it is a supporting argument about safety from a different author. d. it is an argument against the author’s idea that football was dangerous.