why would the union focus on blockading the port of savannah during the civil war? Select the two that apply

1) To prevent needed supplies from entering the Confederacy
2) To place increased pressure on the state's railroads
3) To force the Confederacy to move its capital city
4) To prevent the confederacy from being able to engage in trade

1) To prevent needed supplies from entering the Confederacy

4) To prevent the Confederacy from being able to engage in trade