Answer:
Option: b. It meant that the confederacy had trouble getting supplies.
Step-by-step explanation:
During the Civil War, the Unions plan focused on cutting off resources of the Confederacy. The Union planned to put a blockade in all Southern coasts to eliminate the help from foreign countries. Union Blockade tried to prevent troops, food supplies, and weapons entering the Confederate states for soldiers. Union warships blockade Savannah, Georgia in 1861.