Answer:
D.all of the above
Step-by-step explanation:
We can say that the Civil War, allowed African Americans to obtain their freedom throughout the country, but they did not have the same rights as white people, it is because of them that many emancipated slaves went to the far west to seek new life opportunities . In the west they found work of all kinds, but especially helping in the construction of the railroad, and in the tasks of agriculture and animal husbandry.