One of the ironies of the enlightenment is that many of the were banned. a. scientific books b. books containing new ideas c. philosophical books d. religious books

B. books containing new ideas

hope this helps

many of the books containing new ideas contradict the Church's teaching (then one of the heads of government). The Church banned these books, because if they were read and proven true, people would question other Church teachings.

An example of this, is that the Church taught that the Earth was in the center of the Universe

We know now that this isn't true

hope this helps

Southern secession is the event or issue that historians can gain insight from this excerpt.