what did freedom mean in the wake of the Civil War?

Your task is to use the primary sources listed below to develop an original argument. Imagine your audience as intelligent readers craving new knowledge about the past, but unfamiliar with these documents. What can you tell them about the sources that will deepen their understanding of American history generally and of these events in particular?
http://www.americanyawp.com/reader/reconstruction/mississippi-black-code-1865/
https://canvas.rose.edu/courses/10510/files/1452940/download?wrap=1
https://canvas.rose.edu/courses/10510/files/1452942/download?wrap=1
https://canvas.rose.edu/courses/10510/files/1452941/download?wrap=1