Answer:
Plessy v. Ferguson, was a court case decision of the U.S. Supreme Court that upheld the constitutionality of racial segregation laws for public facilities as the segregated facilities were equal in quality.
I am pretty sure its D. I am not 100% positive but I read an article and that appears to be correct.
As a civilization develops, government is needed to balance any decisions, religion, and/or way of life. Without a central government, a civilization is most likely split into separate groups to survive, whereas with a government everyone can work and fight together. I hope this helps :D
Same i need that answer someone please help