I would say B, I'm not fully sure.
The first cause of the decline of Byzantine Empire was the Arab wars. In the west side of Byzantium conflicts rose and began to cause trouble for the Empire.
HE SAID HE "SMELT A RAT AND REFUSED TTO GO HE WAS AAFRAID OF THE INEVIDABLE FORMATION OF A NATIONAL GOVERNMENT
My personal opinion would probably be a nurse. The reason being is even if I was not allowed to physically help out in the war, I would still feel like I was making a difference.