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.
The author is most likely trying to create a sense of Relief
The sentences that express the same ideas are:
"Blake organized the successful fundraiser, and he raised money for a local food bank."
"A successful event, Blake's fundraiser raised money for a local food bank."
These two sentences combine the sentences "Blake organized the successful fundraiser" and "Blake raised money for a local bank food.".
The meaning of the sentences combined is the same.
The motivation was to raise money for the local bank food, and to get that, Blake organized a fundraiser. The event was successful and Blake raised the money for the local food bank.
Heart that fed: And on the pedestal these words appear: 'My name is Ozymandias, king of kings: Look on my works, ye Mighty, and despair!' Nothing beside remains. Round the decay Of that colossal wreck, boundless and bare The lone and level sands stretch far away.
The first gap is best filled with "resembled" (Sebastian comments here that many people believed that his sister was similar to him in the looks)
The second gap is "remembrance" - he means here that he cries after her (the more refers to more salt water, that is his tears)