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
They are considered sacred, because significant events to do with the religion happened there such as a prophet being there.
The Black Death most likely traveled by sea when trading ships traveled from Sarai to Paris and other countries throughout Europe.
