The answer is self-determination.
they money for the movies have went up a signifigant amount so you need to look at how much they would cost between the years
Blacks had to carry passes at all times and live on "reserves"
The people in those colonies created their own sets of laws to follow, they had town hall meetings where men could voice their opinions, and they learned how to provide for themselves.
A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict.