When did the supreme court first experience excerise power

can someone me with this question:  

1) the end of the conflict between the north and the south didn’t just mark the end of a war; it marked the end of an entire way of life.” which statement best describes what this statement means?  

a) the southerners were no longer free and were controlled by the northern states.

b) the industrial economy in the north was not sustainable.

c) slavery became illegal, which changed completely the south’s labor force and the agricultural economy was destroyed.

d) the states decided to relinquish their independence and return to britain’s rule.    

with the political divide on multiple issues we are headed that way but one of the biggest issues that has texas involved is that democrats believe that only and form of officer or military member can posses a firearm and if they ever end up repealing the right to bear arms i am sure that most people in the lower southern states would choose to seceed in order to keep thier firearms and even fight for them. this is my opinion it does in no way, shape, form, or fashion represent everyone in the lower southern states nor am i implying thst only the southern states want to keep there firearms.