WILL GIVE BRAINLIEST FOR THE CORRECT ANSWER What was the purpose of the Union’s blockade of the Confederacy (the South)?. Single choice. a. To convince Britain and France to trade only with the Union b. To destroy the transportation systems (shipyards, railroads, etc.) of the South c. To prevent the Confederacy from trading with foreign nations such as Britain and France d. To prevent the Confederacy from building an ironclad navy