Which of the following primary sources would best help someone examine how the printing press and printed books influenced Europe?

a twentieth-century map showing the printing presses in Renaissance Europe

a diagram of the printing press that Johannes Gutenberg created by hand

a copy of one of the most well-known illuminated manuscripts used for prayer

a sixteenth-century document calling for the censorship of newly printed books

The best primary source for examining how the printing press and printed books influenced Europe would be a sixteenth-century document calling for the censorship of newly printed books. This document would provide insight into the impact that printed books were having on society at the time and the concerns that individuals had about their influence.