One advantage the Confederacy had over the Union during the Civil War was that Confederate forces had-- Numerous factories for producing weapons and ammunition
Numerous factories for producing weapons and ammunition

Larger number of military troops and supplies
Larger number of military troops and supplies

A. Numerous factories for producing weapons and ammunition
B. An extensive railroad system for moving troops and supplies
C. Knowledge of the terrain where most battles were fought
D. An extensive railroad system for moving troops and supplies