Throughout history, states, rulers, and institutions have often presented the banning and censorship of books and ideas as a benevolent duty their responsibility to protect the best interests of the public. today, most challenges against books contain at their heart the desire to protect young people from encountering ideas and information that could potentially hurt them, unsettle them, or shake up their beliefs. what is the author's purpose in this excerpt? a. to argue that book banning is dangerous b. to explain why those in favor of banning books believe doing so is positive c. to suggest that book banning is generally the result of the actions of young people d. to argue against the banning of a particular book