Following the Emancipation Proclamation, there were many economic and social changes which led to unrest. In what ways was this unrest apparent? What sorts of things were
happening that showed that there was civil unrest?

the answer is British did not recognize the Confederate States of America, and Antietam became one of the war's most important diplomatic battles, as well as one of the bloodiest. Five days after the battle, Lincoln decided to issue the Emancipation Proclamation, effective January 1, 1863.

Explanation:

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the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.