The factors that led to the fall of the Byzantine Empire include:
A) conflicts between the Eastern Orthodox and Roman Catholics
B) capture of the city of Constantinople
C) effects of the Justinian Plague pandemic
D) significant rise in population within the empire’s boundaries is not typically considered a contributing factor to the fall of the Byzantine Empire, as population growth can have various effects, some of which may be positive.
So, the correct answers are A, B, and C.