The union was in the north where all of the factories were. The confederacy did not have the supplies that the union did.
A. Rejoiced! Hope this helps :-)
A. It became a trading center due to its location and size.
For one the bill of rights were before the U.S Constitution, the leaders at the time did not believe that there were enough rights unto the people. Therefore They incorporated the bill of rights into the U.S Constitution to guarantee the protection of the people from the complete control of the Strong Central Government