The answer is Nixon's involvement in the Watergate Scandal
It cost the army of Tennessee a lot of soldiers. They had continuous losses for the Confederate Army in a short period of battle. The west force had their military losses too. It was said that the army was ill-prepared of this attack.
C. Political maps show features determined by people. All the other choices are attributes of a physical map.
Divions existed between social classes, everyone had to change their way of living and they all had to follow the hammurabis code to live in a common surrounding. I think thats what it is, im just guessing.