What Is the Best Description of Northern Wages from 1860-1864

What is the best description of Northern wages from 1860-1864?

A) A relatively large decrease in demand relative to the decrease in supply led to lower wages and fewer people working.
B) An increase in the demand for labor and decrease in the supply of labor led to
C) Increases in both the demand and supply for labor led to more people employed who were working for about the same wages.
D) A decrease in the demand for labor coupled with an increase in the supply led to many fewer people working,but those who were employed worked for higher wages.