Question

Emancipation meant that Southern landowners

could no longer hire formerly enslaved people.
headed north to work in new industries.
could no longer rely on labor by enslaved people.
lost their jobs to formerly enslaved people.

Answer 1

is it a

Answer 2

It is C because Emancipation is the freeing of all slaves.

Answer 3

i can confirm it is C

Answer 4

As Ruby said, emancipation involves freeing of enslaved folk.

A) sounds right, but "hire" is different from "enslave" so you can still hire former slaves. Not the answer, then.
B) isn't relevant to your question. So, not the answer.

We already established C) is correct

D) is incorrect as well because there is not enough context to prove that correct.