What does the recollection by john mccoy suggest about the changes in freedom of african americans following the civil war?

John Mccoy relates his dialogue with his master, when he informs him that the American government has freed the black slaves, and from that moment on, he was free to go.

However,  McCoy suggests that freedom was incomplete, since if he left the field and work, he would not have clothing or food, without being paid for that. In other words: Many black american would not have their basic needs supplied, basic rights of the human being. They would not get jobs as white americans wouldn't hire them. Many of them were in that condition. Due to that reason, we would be compelled to stay and keep working, just as many black americans in that time.

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.

the civil war started because of uncompromising differences between the free and slave states over the power of the national government to prohibit slavery in the territories that had not yet become states. when abraham lincoln won election in 1860 as the first republican president on a platform pledging to keep slavery out of the territories, seven slave states in the deep south seceded and formed a new nation, the confederate states of america. the incoming lincoln administration and most of the northern people refused to recognize the legitimacy of secession. they feared that it would discredit democracy and create a fatal precedent that would eventually fragment the no-longer united states into several small, squabbling countries.

i believe it caused a regional impact in societ