At this time period, people were looking for jobs in factories so they flocked to the cities where factories were becoming popular.
C. Prior to monotheism, most religions were based on worshipping many gods.
They used to worship anything from nature. After Muhammad rose up as a leader, all of that stopped, and Arabic people started to believe in one god only.
The disciples found Jesus praying 3 times in Gethsemane, Jesus asked them to stay awake to watch and pray, but they did not.