Which of the following BEST explains why William Tecumseh Sherman's generalship was effective against the Confederacy?
A.Sherman used railroads to move his troops and outmaneuver the Confederate army.
B.Sherman's willingness to fight bloody battles repeatedly exhausted the Confederates.
C.Sherman was a talented cavalry general who was able to outmaneuver the Confederates.
D.Sherman attacked civilians, farms, and factories to undermine the Confederate war machine.