It did not lead to the Civil War, what led to the civil war was the war of 1812. That was when U.S.A recognized that it needed to become stronger, and slaves were transported to the United States and put in the working class under bad conditions. Child labor and prejudice began there as well.
A state constitution is important to each individual state. However, a state constitution does not establish the different types of local governments in each city. That process must be made by the cities themselves.
The lands used in agriculture
"Feudus" is a term from latin and describes the relationship between the nobil and a vassal. Tha vassal worked the nobil land in exchange for products, money or other obligations