which excerpt best states the central idea of the second paragraph of the dark game?\nmost of the war was…

which excerpt best states the central idea of the second paragraph of the dark game?\nmost of the war was fought in states south of washington, d.c....\nfor the union soldiers, this meant they had to fight in unfamiliar and hostile territory.\nthis matter of geography affected the spies who worked behind enemy lines.\nconfederate spies could usually find a safe house, or at least a sympathetic soul...
Answer
Brief Explanations:
The central idea of a paragraph should encapsulate the main point. The first option just mentions where the war was fought. The second option focuses on Union soldiers' situation. The fourth option is about Confederate spies' situation. The third option, "This matter of geography affected the spies who worked behind enemy lines", ties together the geographical aspect (from the first option) and its impact on spies (which is a key element in a text about "The Dark Game" which likely involves espionage), making it the most comprehensive statement of the central idea.
Answer:
This matter of geography affected the spies who worked behind enemy lines.