They were the Essenes
They were a religious sect based on Second Temple Judaism and lived in Judaea in high numbers. They were semi-monastic insofar that they lived in voluntary poverty, were highly ascetic, often they practiced complete celibacy, and they were also known for their daily practice of immersion. They were found to live in areas around the Dead Sea.
Answer:
No, I do not believe that it caused the Civil War. The Civil war was more caused by the states for slavery and against slavery spliting up and fighting to the point where it ended up causing a Civil War.
Explanation: