C. The prices of crops increased, which caused farmers to overuse their lands and ruin the topsoil.
Remember the Dust bowl was happening at the same time
Explanation:
I guess this will help you
Answer:
Confederate States of America, also called Confederacy, in the American Civil War, the government of 11 Southern states that seceded from the Union in 1860–61, carrying on all the affairs of a separate government and conducting a major war until defeated in the spring of 1865.