The south expected support from Britain and France because these two European nations relied on the south for?

The South expected support from Britain and France during the Civil War primarily because these nations relied on Southern cotton for their textile industries. The South believed that the economic importance of cotton would compel Europe to intervene on their behalf. Additionally, Britain and France had strategic interests in weakening the United States, which they viewed as a potential rival. However, while there was some sympathy for the Southern cause, the anticipated support did not materialize to the extent the Confederacy had hoped.