Someone who moves from place to place is called a nomad
A government is based on a social contract. The people give up some of their natural rights and in return the government guarantees them something. A social contract is an agreement between an authority and the people in which they come to terms on an agreement. Our government like most is based on this kind of agreement.
B, the enlightenment was all about explaining with reason, and religion didn't play a role in the enlightenment. Lots of scientists questioned the church.
The God of Muslims, Christians, and Jews is one and the same.
All three religions are monotheistic and believe in the same god.