How would you react if you were ruled by a government you did not elect that had the legal power to take away your property if you did not follow one of their rules? How would you feel? What would be your first action?

 The end of the Civil War marked the end of slavery for 4 million black Southerners. But the war also left them landless and with little money to support themselves. White Southerners, seeking to control the freedmen (former slaves), devised special state law codes. Many Northerners saw these codes as blatant attempts to restore slavery.

Explanation:

a widespread disease that killed many people

the split of the christian church

invasion from arab muslims

c. is the answer : ) (you may punch me if im wrong lol)