The Second Battle of Bull Run (Second Manassas).
Answer:
C.) Roads and railroads must wind up steep slopes.
WOW!? That's a lot of questions....:(
In 1863, General Edmund Kirby Smith took command of the Confederate Trans-Mississippi Department, and unsuccessfully tried to relieve the siege of Vicksburg by Lt. Gen. Ulysses S. Grant on the opposite eastern banks of the Mississippi River in the state of Mississippi.