What was abolitionism?

Abolitionism, or the abolitionist movement, was the movement to end slavery. This term can be used both formally and informally. In Western Europe and the Americas, abolitionism was a historic movement that sought to end the Atlantic slave trade and set slaves free.

Explanation:

b.

one company controls all the means of production of a product.

~coco

if i am correct the answer is going to be a) the federal program of reconstruction ended.