Answer:
I believe the printing press. Before the printing press books were very rare and expensive. Most religious scrolls were put on cloth or papyrus(a type of plant). After the invention of the printing press it made books less rare and expensive. And launched the world into a more modern era.
The main goal was to keep the slaves from joining so B is the answer
Governors are in the Executive branch
According to Freud, the root of neurotic behavior was "<span>A) a conflict between conscious and unconscious mental processes," since he believed that this led to a wide range of emotions. </span>