A The Constitution was amended in the form of the Bill of Rights.
Despite the North's greater population, however, the South had an army almost equal in size during the first year of the war. The North had an enormous industrial advantage as well. At the beginning of the war, the Confederacy had only one-ninth the industrial capacity of the Union. But that statistic was misleading
#3. A and C
#4. A.
I'm not too sure if this is correct but I hope this helps.
Answer:
The second one and the second to last one