What happened to the south’s economy during the civil war? it declined and then grew. it improved. it deteriorated. it remained stable.

It deteriorated.

Explanation:

The South’s economy during the Civil War deteriorated;

The civil war freed the slaves consequently getting rid of the majority source of the Southern work force. Moreover, the civil war saw the destruction of a great deal of South's infrastructure including; the destruction of railroads which resulted in short-term damage of the South's economy.

yes.

explanation:

because it let the japanese know who had the upper hand in the war.