During the civil war prices for many goods increased because

War affects a country's economy. Government spending for weapons and supplies causes a rise in demand for other goods. Workers who leave jobs and go off to war cause a decrease in supply. As a result, prices rise quickly. This is called inflation. In the Civil War, economic inflation was a problem in the North. But it was even worse in the South.

The country needed more money for the war.

Ithink its trade and commernce let me know if im wrong