why were slaves so important to the Confederacy war effort, especially when they did not fight in the war?

Slave labor maintained the economy.

Explanation:

And if they did not fight in the war, the slaves continued to work on the cotton plantations. It was the main raw material and "heart" of the Confederate economy. War is an extremely expensive investment, and during the civil war, the confederation was still funded from a primary economic source.

answer; /// i believe that the correct answer is( it left behind rich

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.