The best primary source to examine how the printing press and printed books influenced Europe would be:
C. A sixteenth-century document calling for the censorship of newly printed books.
This document would provide insight into the societal and governmental responses to the spread of printed materials, highlighting the impact that the printing press had on culture, religion, and politics during that time. It shows the significance of printed books and the changes they brought about, revealing concerns about information dissemination and control in a rapidly changing society.