Letters in congratulations & treasure.
Answer:
Concentrating the soldiers in one vast camp allowed the army to protect the countryside and be better able to resist a British attack, but it became costly when lack of supplies and hunger afflicted the inhabitants, and diseases like influenza and typhoid spread through the camp.
Explanation: Basically, the answer is C
The answer to your question is B
This passage implies that the author is aware that new weapons have broadened the theater of war.