Which of the following led to the decline of the Byzantine empire

Over time, its economic and military might waned and along with it, the empire's capacity to seize an opportunity. They had  powerful enemies such as the Arabs, Seljuk Turks, Bulgars, Normans, Slavs, and Ottoman Turks, and that is what led to the decline of the byzantine empire. hope i helped

answer; individualist culture;

answer; night terrors;