What did the ancient greeks have a hardtime doing becuase there were few rivers?

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.

according to worldatlas.com, the u.s. has an 86% literacy rate.