After the Capture of Vicksburg, the Union Army Established a Labor

After the capture of Vicksburg, the Union army established a labor system in Louisiana and the Mississippi Valley that

A) plantation owners were satisfied with, but formerly enslaved people were not.
B) formerly enslaved people were satisfied with, but plantation owners were not.
C) established the basis for economic independence for black families through landownership.
D) required emancipated slaves sign labor contracts for paid wages with white plantation owners.
E) made no provision for black workers to obtain education or protection from violence and family separation.