Which of the following was NOT a reason the Siege at Vicksburg was important during the Civil
War?

a)The South's trade with foreign nations and ability to re-supply was eliminated.
b)The Mississippi River ran through Vicksburg and served as an important trade route.
c)The Union could now block railroad trade between the West and South.
d)The Union Army was no longer able to use the Anaconda Plan to restrict trade.