Question

which excerpt best states the central idea of the second paragraph of the dark game?
most of the war was fought in states south of washington, d.c....
for the union soldiers, this meant they had to fight in unfamiliar and hostile territory.
this matter of geography affected the spies who worked behind enemy lines.
confederate spies could usually find a safe house, or at least a sympathetic soul...

Explanation:

The central idea of a paragraph is its main point. The second - paragraph likely focuses on how geography influenced spies. The first two options focus on soldiers, and the last one on Confederate spies' safe - havens. The option about geography affecting spies behind enemy lines best captures the central idea.

Answer:

This matter of geography affected the spies who worked behind enemy lines.