What Was the Northern Vision for the Reconstruction-Era Southern Economy

What was the northern vision for the Reconstruction-era southern economy?

A) to give free blacks the same employment opportunities as northern workers
B) to reduce northern investments in the South and bring all freedmen into northern cities
C) to abolish the Freedmen's Bureau and ban all migrants
D) to use sharecropping as the main labor system in both the North and the South
E) to help make the South's economy surpass the North's in productivity and profit