The defending Saxon army was approximately equal in size to the invading Normans during the Battle of Hastings, but the Saxon army had just fought the arduous Battle of Stamford Bridge two days earlier, and it is likely that the _____ of fighting two significant battles in two days played a part in the Saxon defeat.
A.exhaustion
B.bellicosity
C.pugnacity
D.swiftness
E.rage
F.enervation