Which excerpt best states the central idea of the second paragraph of the dark game

The excerpt that best states the central idea of the second paragraph of The Dark Game is: This matter of geography affected the spies who worked behind enemy lines.

There were a lot of times when America was helped and at the same time harmed during significant events in history because of the spy system. One example is when George Washington crumpled the British when he sought help from spies and their network.

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

Explanation: