Answer:
The Civil War caused a decrease in cotton production
Explanation:
The 1896 supreme court ruling of plessy v. ferguson reinforced an already established American policy of separate but equal, which was just being racist insofar that it segregated African American people.
This link might fully explain and give extra details to answer your question :)
http://www.religionfacts.com/charts/christianity-judaism
I wanna say its C. The Creation of a Factory System.