Why did the Aztec Empire fall, and who caused it?

the fall of the Aztec Empire came about due to the Spanish conquest of Central America. After some brief and violent contact in 1517, a Spanish force under Hernan Cortes arrived in 1519 to completely subjugate the Aztecs. After war and disease swept the empire, it fell in 1521

beowulf is considered an epic poem because it describes the actions of a great warrior.

beowulf is taken into account an epos. in this poem, the main character may be a hero who travels nice distances to prove his strength at not possible odds against supernatural demons and beasts. in the poem, beowulf was a young warrior and he leaves his country to hrothgar, as hrothgar was in a great trouble.

where is the subject? hahahaha