one main reason why it started is because of different views on slavery and whether or not it should be legal also the election of abraham lincoln as president. hope this helped
African American Spirituals had developed by the African American tradition/ belief and cultural diffusion which is the spread of good's and ideas among people of different cultures
They had kept greek n roman culture alive for a 1,000 years after the fall of the roman empire in the west. which had preserved this cultural legacy until it was taken up in the west during the renaissance.
War victory or even entrance into a war.