Answer:
C. Borrowing from the citizens of the southern states was not a significant form of financing for the American Civil War. The Confederacy primarily relied on other forms of financing, such as printing paper money (known as "graybacks"), selling cotton-backed bonds in Europe, and borrowing from foreign governments and banks. While some individual citizens may have lent money to the Confederacy, this was not a major source of funding for the war effort. The Union, on the other hand, primarily financed the war through increased taxes and the sale of government bonds to its own citizens.