Answer:
The Birmingham Campaign ended with a victory in May of 1963 when local officials agreed to remove "White Only" and "Black Only" signs from restrooms and drinking fountains in downtown Birmingham; desegregate lunch counters; deploy a "Negro job improvement plan"; release jailed demonstrators; and create a biracial
In the period of industrialization, it was easier to harvest crops so supply went up and demand stayed the same causing prices to drop. The "newly" freed slaves also started farming, increasing the supply.