What impact did the plague described in the passage have on byzantine society?

As in most of the places that it spread out, the plague had a devastating effect on the Byzantine Empire and its society because of the big amount of death among the population. The Byzantine Empire was heavily influenced by the plague, and it lost very big portion of its population, which made the country weaker in both military and economic perspective. Because the empire was weakened, and it was in a period of the rising of the strong Turkic tribes that were moving westward, the empire was not able to keep its borders and ended its glory.

answer; the correct answer is chemical: