Which reason best explains why the union blockaded the port of Savannah Georgia during the civil war?

The Union blockaded the port of Savannah, Georgia, during the Civil War primarily to restrict the Confederacy's access to supplies, resources, and trade. Savannah was a critical Confederate port for exporting cotton and importing war materials. By blockading it, the Union aimed to weaken the Southern economy and diminish its capacity to sustain the war effort. This strategy was part of the broader Anaconda Plan to suffocate the Confederacy economically and militarily.